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CVE-2026-41035 (GCVE-0-2026-41035)
Vulnerability from cvelistv5 – Published: 2026-04-16 06:53 – Updated: 2026-04-22 03:03- CWE-130 - Improper Handling of Length Parameter Inconsistency
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alsa-2026:17481
Vulnerability from osv_almalinux
The rsync utility enables the users to copy and synchronize files locally or across a network. Synchronization with rsync is fast because rsync only sends the differences in files over the network instead of sending whole files. The rsync utility is also used as a mirroring tool.
Security Fix(es):
- rsync: Rsync: Use-after-free vulnerability in extended attribute handling (CVE-2026-41035)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
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alsa-2026:19152
Vulnerability from osv_almalinux
The rsync utility enables the users to copy and synchronize files locally or across a network. Synchronization with rsync is fast because rsync only sends the differences in files over the network instead of sending whole files. The rsync utility is also used as a mirroring tool.
Security Fix(es):
- rsync: Rsync: Use-after-free vulnerability in extended attribute handling (CVE-2026-41035)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
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"modified": "2026-05-26T12:33:44Z",
"published": "2026-05-19T00:00:00Z",
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alsa-2026:19368
Vulnerability from osv_almalinux
The rsync utility enables the users to copy and synchronize files locally or across a network. Synchronization with rsync is fast because rsync only sends the differences in files over the network instead of sending whole files. The rsync utility is also used as a mirroring tool.
Security Fix(es):
- rsync: rsync server leaks arbitrary client files (CVE-2024-12086)
- rsync: Rsync: Use-after-free vulnerability in extended attribute handling (CVE-2026-41035)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
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"id": "ALSA-2026:19368",
"modified": "2026-05-26T12:32:52Z",
"published": "2026-05-19T00:00:00Z",
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FKIE_CVE-2026-41035
Vulnerability from fkie_nvd - Published: 2026-04-16 07:16 - Updated: 2026-05-21 19:237.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://github.com/RsyncProject/rsync/issues/871 | Issue Tracking | |
| cve@mitre.org | https://github.com/RsyncProject/rsync/releases | Release Notes | |
| cve@mitre.org | https://www.openwall.com/lists/oss-security/2026/04/16/2 | Exploit, Mailing List, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.openwall.com/lists/oss-security/2026/04/16/9 | Mailing List, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.openwall.com/lists/oss-security/2026/04/22/3 | Mailing List, Third Party Advisory |
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GHSA-M34R-4V3R-PP9V
Vulnerability from github – Published: 2026-04-16 09:31 – Updated: 2026-04-22 06:30In rsync 3.0.1 through 3.4.1, receive_xattr relies on an untrusted length value during a qsort call, leading to a receiver use-after-free. The victim must run rsync with -X (aka --xattrs). On Linux, many (but not all) common configurations are vulnerable. Non-Linux platforms are more widely vulnerable.
{
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"id": "GHSA-m34r-4v3r-pp9v",
"modified": "2026-04-22T06:30:28Z",
"published": "2026-04-16T09:31:44Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41035"
},
{
"type": "WEB",
"url": "https://github.com/RsyncProject/rsync/issues/871"
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]
}
MSRC_CVE-2026-41035
Vulnerability from csaf_microsoft - Published: 2026-04-02 00:00 - Updated: 2026-05-23 01:39| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 20732-17084 | — |
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 17084-1 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 17086-2 | — |
None Available
|
| URL | Category |
|---|---|
| https://msrc.microsoft.com/csaf/vex/2026/msrc_cve… | self |
| https://support.microsoft.com/lifecycle | external |
| https://www.first.org/cvss | external |
| https://msrc.microsoft.com/csaf/vex/2026/msrc_cve… | self |
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"title": "In rsync 3.0.1 through 3.4.1, receive_xattr relies on an untrusted length value during a qsort call, leading to a receiver use-after-free. The victim must run rsync with -X (aka --xattrs). On Linux, many (but not all) common configurations are vulnerable. Non-Linux platforms are more widely vulnerable."
}
]
}
RHSA-2026:17481
Vulnerability from csaf_redhat - Published: 2026-05-14 09:31 - Updated: 2026-05-26 14:21A flaw was found in rsync. When rsync is configured to handle extended attributes (using the -X or --xattrs option), a remote attacker can exploit a use-after-free vulnerability. This occurs because the receive_xattr function incorrectly processes an untrusted length value during a sorting operation, leading to memory corruption. Successful exploitation can result in a denial of service, causing the rsync process to crash, and may potentially allow for arbitrary code execution.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-8.10.0.Z.MAIN.EUS:rsync-0:3.1.3-25.el8_10.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-8.10.0.Z.MAIN.EUS:rsync-0:3.1.3-25.el8_10.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-8.10.0.Z.MAIN.EUS:rsync-0:3.1.3-25.el8_10.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-8.10.0.Z.MAIN.EUS:rsync-0:3.1.3-25.el8_10.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-8.10.0.Z.MAIN.EUS:rsync-0:3.1.3-25.el8_10.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-8.10.0.Z.MAIN.EUS:rsync-daemon-0:3.1.3-25.el8_10.noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-8.10.0.Z.MAIN.EUS:rsync-debuginfo-0:3.1.3-25.el8_10.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-8.10.0.Z.MAIN.EUS:rsync-debuginfo-0:3.1.3-25.el8_10.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-8.10.0.Z.MAIN.EUS:rsync-debuginfo-0:3.1.3-25.el8_10.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-8.10.0.Z.MAIN.EUS:rsync-debuginfo-0:3.1.3-25.el8_10.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-8.10.0.Z.MAIN.EUS:rsync-debugsource-0:3.1.3-25.el8_10.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-8.10.0.Z.MAIN.EUS:rsync-debugsource-0:3.1.3-25.el8_10.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-8.10.0.Z.MAIN.EUS:rsync-debugsource-0:3.1.3-25.el8_10.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-8.10.0.Z.MAIN.EUS:rsync-debugsource-0:3.1.3-25.el8_10.x86_64 | — |
Vendor Fix
fix
Workaround
|
| URL | Category |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:17481 | self |
| https://access.redhat.com/security/updates/classi… | external |
| https://bugzilla.redhat.com/show_bug.cgi?id=2458898 | external |
| https://security.access.redhat.com/data/csaf/v2/a… | self |
| https://access.redhat.com/security/cve/CVE-2026-41035 | self |
| https://bugzilla.redhat.com/show_bug.cgi?id=2458898 | external |
| https://www.cve.org/CVERecord?id=CVE-2026-41035 | external |
| https://nvd.nist.gov/vuln/detail/CVE-2026-41035 | external |
| https://github.com/RsyncProject/rsync/issues/871 | external |
| https://github.com/RsyncProject/rsync/releases | external |
| https://www.openwall.com/lists/oss-security/2026/… | external |
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RHSA-2026:19152
Vulnerability from csaf_redhat - Published: 2026-05-19 16:27 - Updated: 2026-05-26 14:21A flaw was found in rsync. When rsync is configured to handle extended attributes (using the -X or --xattrs option), a remote attacker can exploit a use-after-free vulnerability. This occurs because the receive_xattr function incorrectly processes an untrusted length value during a sorting operation, leading to memory corruption. Successful exploitation can result in a denial of service, causing the rsync process to crash, and may potentially allow for arbitrary code execution.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-10.2.Z:rsync-0:3.4.1-6.el10_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-10.2.Z:rsync-0:3.4.1-6.el10_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-10.2.Z:rsync-0:3.4.1-6.el10_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
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| URL | Category |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:19152 | self |
| https://access.redhat.com/security/updates/classi… | external |
| https://bugzilla.redhat.com/show_bug.cgi?id=2458898 | external |
| https://issues.redhat.com/browse/RHEL-172276 | external |
| https://security.access.redhat.com/data/csaf/v2/a… | self |
| https://access.redhat.com/security/cve/CVE-2026-41035 | self |
| https://bugzilla.redhat.com/show_bug.cgi?id=2458898 | external |
| https://www.cve.org/CVERecord?id=CVE-2026-41035 | external |
| https://nvd.nist.gov/vuln/detail/CVE-2026-41035 | external |
| https://github.com/RsyncProject/rsync/issues/871 | external |
| https://github.com/RsyncProject/rsync/releases | external |
| https://www.openwall.com/lists/oss-security/2026/… | external |
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"AppStream-10.2.Z:rsync-debuginfo-0:3.4.1-6.el10_2.ppc64le",
"AppStream-10.2.Z:rsync-debuginfo-0:3.4.1-6.el10_2.s390x",
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]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "rsync: Rsync: Use-after-free vulnerability in extended attribute handling"
}
]
}
RHSA-2026:19368
Vulnerability from csaf_redhat - Published: 2026-05-19 22:14 - Updated: 2026-05-26 14:21A flaw was found in rsync. It could allow a server to enumerate the contents of an arbitrary file from the client's machine. This issue occurs when files are being copied from a client to a server. During this process, the rsync server will send checksums of local data to the client to compare with in order to determine what data needs to be sent to the server. By sending specially constructed checksum values for arbitrary files, an attacker may be able to reconstruct the data of those files byte-by-byte based on the responses from the client.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-daemon-0:3.2.5-7.el9_8.noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-debuginfo-0:3.2.5-7.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-debuginfo-0:3.2.5-7.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-debuginfo-0:3.2.5-7.el9_8.s390x | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-debuginfo-0:3.2.5-7.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-debugsource-0:3.2.5-7.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-debugsource-0:3.2.5-7.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-debugsource-0:3.2.5-7.el9_8.s390x | — |
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fix
Workaround
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-debugsource-0:3.2.5-7.el9_8.x86_64 | — |
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fix
Workaround
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|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-rrsync-0:3.2.5-7.el9_8.noarch | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.aarch64 | — |
Vendor Fix
fix
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|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.ppc64le | — |
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fix
Workaround
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|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.s390x | — |
Vendor Fix
fix
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|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.src | — |
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fix
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|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.x86_64 | — |
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fix
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|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-daemon-0:3.2.5-7.el9_8.noarch | — |
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fix
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| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-debuginfo-0:3.2.5-7.el9_8.aarch64 | — |
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| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-debuginfo-0:3.2.5-7.el9_8.ppc64le | — |
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| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-debuginfo-0:3.2.5-7.el9_8.s390x | — |
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| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-debuginfo-0:3.2.5-7.el9_8.x86_64 | — |
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| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-debugsource-0:3.2.5-7.el9_8.aarch64 | — |
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fix
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| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-debugsource-0:3.2.5-7.el9_8.ppc64le | — |
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| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-debugsource-0:3.2.5-7.el9_8.s390x | — |
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| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-debugsource-0:3.2.5-7.el9_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-rrsync-0:3.2.5-7.el9_8.noarch | — |
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fix
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|
A flaw was found in rsync. When rsync is configured to handle extended attributes (using the -X or --xattrs option), a remote attacker can exploit a use-after-free vulnerability. This occurs because the receive_xattr function incorrectly processes an untrusted length value during a sorting operation, leading to memory corruption. Successful exploitation can result in a denial of service, causing the rsync process to crash, and may potentially allow for arbitrary code execution.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.aarch64 | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.ppc64le | — |
Vendor Fix
fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.s390x | — |
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fix
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|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.src | — |
Vendor Fix
fix
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|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.x86_64 | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-daemon-0:3.2.5-7.el9_8.noarch | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-debuginfo-0:3.2.5-7.el9_8.aarch64 | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-debuginfo-0:3.2.5-7.el9_8.ppc64le | — |
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|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-debuginfo-0:3.2.5-7.el9_8.s390x | — |
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fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-debuginfo-0:3.2.5-7.el9_8.x86_64 | — |
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|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-debugsource-0:3.2.5-7.el9_8.aarch64 | — |
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fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-debugsource-0:3.2.5-7.el9_8.ppc64le | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-debugsource-0:3.2.5-7.el9_8.s390x | — |
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fix
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|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-debugsource-0:3.2.5-7.el9_8.x86_64 | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:rsync-rrsync-0:3.2.5-7.el9_8.noarch | — |
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fix
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|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.aarch64 | — |
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|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.ppc64le | — |
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|
|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.s390x | — |
Vendor Fix
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|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.src | — |
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| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-0:3.2.5-7.el9_8.x86_64 | — |
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|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-daemon-0:3.2.5-7.el9_8.noarch | — |
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|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-debuginfo-0:3.2.5-7.el9_8.aarch64 | — |
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|
|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-debuginfo-0:3.2.5-7.el9_8.ppc64le | — |
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fix
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|
|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-debuginfo-0:3.2.5-7.el9_8.s390x | — |
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fix
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|
|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-debuginfo-0:3.2.5-7.el9_8.x86_64 | — |
Vendor Fix
fix
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|
|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-debugsource-0:3.2.5-7.el9_8.aarch64 | — |
Vendor Fix
fix
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|
|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-debugsource-0:3.2.5-7.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-debugsource-0:3.2.5-7.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-debugsource-0:3.2.5-7.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.8.0.Z.MAIN.EUS:rsync-rrsync-0:3.2.5-7.el9_8.noarch | — |
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fix
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|
| URL | Category |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:19368 | self |
| https://access.redhat.com/security/updates/classi… | external |
| https://bugzilla.redhat.com/show_bug.cgi?id=2330577 | external |
| https://bugzilla.redhat.com/show_bug.cgi?id=2458898 | external |
| https://security.access.redhat.com/data/csaf/v2/a… | self |
| https://access.redhat.com/security/cve/CVE-2024-12086 | self |
| https://bugzilla.redhat.com/show_bug.cgi?id=2330577 | external |
| https://www.cve.org/CVERecord?id=CVE-2024-12086 | external |
| https://nvd.nist.gov/vuln/detail/CVE-2024-12086 | external |
| https://kb.cert.org/vuls/id/952657 | external |
| https://access.redhat.com/security/cve/CVE-2026-41035 | self |
| https://bugzilla.redhat.com/show_bug.cgi?id=2458898 | external |
| https://www.cve.org/CVERecord?id=CVE-2026-41035 | external |
| https://nvd.nist.gov/vuln/detail/CVE-2026-41035 | external |
| https://github.com/RsyncProject/rsync/issues/871 | external |
| https://github.com/RsyncProject/rsync/releases | external |
| https://www.openwall.com/lists/oss-security/2026/… | external |
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"name": "Detection of Error Condition Without Action"
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"category": "description",
"text": "A flaw was found in rsync. It could allow a server to enumerate the contents of an arbitrary file from the client\u0027s machine. This issue occurs when files are being copied from a client to a server. During this process, the rsync server will send checksums of local data to the client to compare with in order to determine what data needs to be sent to the server. By sending specially constructed checksum values for arbitrary files, an attacker may be able to reconstruct the data of those files byte-by-byte based on the responses from the client.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "rsync: rsync server leaks arbitrary client files",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability marked as moderate rather than important because it requires the attacker to control the rsync server, which limits the scope of exploitation to scenarios where the client interacts with untrusted or compromised servers. Additionally, the attack is non-trivial, as it relies on the attacker sending specially crafted checksum values and deducing file contents byte-by-byte based on the client\u2019s responses. This makes the exploit more complex and time-consuming compared to direct file access vulnerabilities. Furthermore, the impact is limited to file data enumeration, and it does not allow arbitrary code execution or privilege escalation on the client.",
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RHSA-2026:20601
Vulnerability from csaf_redhat - Published: 2026-05-26 04:24 - Updated: 2026-05-26 14:21A flaw was found in rsync. When rsync is configured to handle extended attributes (using the -X or --xattrs option), a remote attacker can exploit a use-after-free vulnerability. This occurs because the receive_xattr function incorrectly processes an untrusted length value during a sorting operation, leading to memory corruption. Successful exploitation can result in a denial of service, causing the rsync process to crash, and may potentially allow for arbitrary code execution.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.0.0.Z.E4S:rsync-0:3.2.3-9.el9_0.5.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.0.0.Z.E4S:rsync-0:3.2.3-9.el9_0.5.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.0.0.Z.E4S:rsync-0:3.2.3-9.el9_0.5.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.0.0.Z.E4S:rsync-0:3.2.3-9.el9_0.5.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.0.0.Z.E4S:rsync-0:3.2.3-9.el9_0.5.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.0.0.Z.E4S:rsync-daemon-0:3.2.3-9.el9_0.5.noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.0.0.Z.E4S:rsync-0:3.2.3-9.el9_0.5.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.0.0.Z.E4S:rsync-0:3.2.3-9.el9_0.5.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.0.0.Z.E4S:rsync-0:3.2.3-9.el9_0.5.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.0.0.Z.E4S:rsync-0:3.2.3-9.el9_0.5.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.0.0.Z.E4S:rsync-0:3.2.3-9.el9_0.5.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.0.0.Z.E4S:rsync-daemon-0:3.2.3-9.el9_0.5.noarch | — |
Vendor Fix
fix
Workaround
|
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.0.0.Z.E4S:rsync-debuginfo-0:3.2.3-9.el9_0.5.aarch64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.0.0.Z.E4S:rsync-debuginfo-0:3.2.3-9.el9_0.5.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-9.0.0.Z.E4S:rsync-debuginfo-0:3.2.3-9.el9_0.5.s390x | — |
Workaround
|
|
| Unresolved product id: AppStream-9.0.0.Z.E4S:rsync-debuginfo-0:3.2.3-9.el9_0.5.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.0.0.Z.E4S:rsync-debugsource-0:3.2.3-9.el9_0.5.aarch64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.0.0.Z.E4S:rsync-debugsource-0:3.2.3-9.el9_0.5.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-9.0.0.Z.E4S:rsync-debugsource-0:3.2.3-9.el9_0.5.s390x | — |
Workaround
|
|
| Unresolved product id: AppStream-9.0.0.Z.E4S:rsync-debugsource-0:3.2.3-9.el9_0.5.x86_64 | — |
Workaround
|
|
| Unresolved product id: BaseOS-9.0.0.Z.E4S:rsync-debuginfo-0:3.2.3-9.el9_0.5.aarch64 | — |
Workaround
|
|
| Unresolved product id: BaseOS-9.0.0.Z.E4S:rsync-debuginfo-0:3.2.3-9.el9_0.5.ppc64le | — |
Workaround
|
|
| Unresolved product id: BaseOS-9.0.0.Z.E4S:rsync-debuginfo-0:3.2.3-9.el9_0.5.s390x | — |
Workaround
|
|
| Unresolved product id: BaseOS-9.0.0.Z.E4S:rsync-debuginfo-0:3.2.3-9.el9_0.5.x86_64 | — |
Workaround
|
|
| Unresolved product id: BaseOS-9.0.0.Z.E4S:rsync-debugsource-0:3.2.3-9.el9_0.5.aarch64 | — |
Workaround
|
|
| Unresolved product id: BaseOS-9.0.0.Z.E4S:rsync-debugsource-0:3.2.3-9.el9_0.5.ppc64le | — |
Workaround
|
|
| Unresolved product id: BaseOS-9.0.0.Z.E4S:rsync-debugsource-0:3.2.3-9.el9_0.5.s390x | — |
Workaround
|
|
| Unresolved product id: BaseOS-9.0.0.Z.E4S:rsync-debugsource-0:3.2.3-9.el9_0.5.x86_64 | — |
Workaround
|
| URL | Category |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:20601 | self |
| https://access.redhat.com/security/updates/classi… | external |
| https://bugzilla.redhat.com/show_bug.cgi?id=2458898 | external |
| https://security.access.redhat.com/data/csaf/v2/a… | self |
| https://access.redhat.com/security/cve/CVE-2026-41035 | self |
| https://bugzilla.redhat.com/show_bug.cgi?id=2458898 | external |
| https://www.cve.org/CVERecord?id=CVE-2026-41035 | external |
| https://nvd.nist.gov/vuln/detail/CVE-2026-41035 | external |
| https://github.com/RsyncProject/rsync/issues/871 | external |
| https://github.com/RsyncProject/rsync/releases | external |
| https://www.openwall.com/lists/oss-security/2026/… | external |
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{
"cve": "CVE-2026-41035",
"cwe": {
"id": "CWE-805",
"name": "Buffer Access with Incorrect Length Value"
},
"discovery_date": "2026-04-16T08:00:54.200357+00:00",
"flags": [
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"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2458898"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in rsync. When rsync is configured to handle extended attributes (using the -X or --xattrs option), a remote attacker can exploit a use-after-free vulnerability. This occurs because the receive_xattr function incorrectly processes an untrusted length value during a sorting operation, leading to memory corruption. Successful exploitation can result in a denial of service, causing the rsync process to crash, and may potentially allow for arbitrary code execution.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "rsync: Rsync: Use-after-free vulnerability in extended attribute handling",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This is an Important flaw in rsync that allows a remote attacker to cause a denial of service or potentially execute arbitrary code. The vulnerability is present when rsync is used with extended attributes enabled via the `-X` or `--xattrs` option, which is not a default configuration. Exploitation requires the victim to explicitly enable this feature.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
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"summary": "Canonical URL",
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},
{
"category": "external",
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{
"category": "external",
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"url": "https://www.cve.org/CVERecord?id=CVE-2026-41035"
},
{
"category": "external",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41035"
},
{
"category": "external",
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},
{
"category": "external",
"summary": "https://github.com/RsyncProject/rsync/releases",
"url": "https://github.com/RsyncProject/rsync/releases"
},
{
"category": "external",
"summary": "https://www.openwall.com/lists/oss-security/2026/04/16/2",
"url": "https://www.openwall.com/lists/oss-security/2026/04/16/2"
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"release_date": "2026-04-16T06:53:05.237000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-05-26T04:24:10+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L",
"version": "3.1"
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}
],
"title": "rsync: Rsync: Use-after-free vulnerability in extended attribute handling"
}
]
}
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.