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10 vulnerabilities by tukaani
CVE-2026-34743 (GCVE-0-2026-34743)
Vulnerability from nvd – Published: 2026-04-02 18:36 – Updated: 2026-04-03 12:59
VLAI
Title
XZ Utils: Buffer overflow in lzma_index_append()
Summary
XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzma_index_decoder() was used to decode an Index that contained no Records, the resulting lzma_index was left in a state where where a subsequent lzma_index_append() would allocate too little memory, and a buffer overflow would occur. This issue has been patched in version 5.8.3.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/tukaani-project/xz/security/ad… | x_refsource_CONFIRM |
| https://github.com/tukaani-project/xz/commit/c8c2… | x_refsource_MISC |
| https://github.com/tukaani-project/xz/releases/ta… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| tukaani-project | xz |
Affected:
< 5.8.3
|
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CVE-2024-3094 (GCVE-0-2024-3094)
Vulnerability from nvd – Published: 2024-03-29 16:51 – Updated: 2025-11-20 07:17
VLAI
Title
Xz: malicious code in distributed source
Summary
Malicious code was discovered in the upstream tarballs of xz, starting with version 5.6.0.
Through a series of complex obfuscations, the liblzma build process extracts a prebuilt object file from a disguised test file existing in the source code, which is then used to modify specific functions in the liblzma code. This results in a modified liblzma library that can be used by any software linked against this library, intercepting and modifying the data interaction with this library.
Severity
10 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-506 - Embedded Malicious Code
Assigner
References
55 references
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
|
Affected:
5.6.0
Affected: 5.6.1 |
|||
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8 |
cpe:/a:redhat:jboss_enterprise_application_platform:8 |
Date Public
2024-03-29 00:00
Credits
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CVE-2020-22916 (GCVE-0-2020-22916)
Vulnerability from nvd – Published: 2023-08-22 00:00 – Updated: 2024-10-29 13:27 Disputed
VLAI
Summary
An issue discovered in XZ 5.2.5 allows attackers to cause a denial of service via decompression of a crafted file. NOTE: the vendor disputes the claims of "endless output" and "denial of service" because decompression of the 17,486 bytes always results in 114,881,179 bytes, which is often a reasonable size increase.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
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CVE-2022-1271 (GCVE-0-2022-1271)
Vulnerability from nvd – Published: 2022-08-31 15:33 – Updated: 2025-06-09 14:56
VLAI
Summary
An arbitrary file write vulnerability was found in GNU gzip's zgrep utility. When zgrep is applied on the attacker's chosen file name (for example, a crafted file name), this can overwrite an attacker's content to an arbitrary attacker-selected file. This flaw occurs due to insufficient validation when processing filenames with two or more newlines where selected content and the target file names are embedded in crafted multi-line file names. This flaw allows a remote, low privileged attacker to force zgrep to write arbitrary files on the system.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-179 - - Incorrect Behavior Order: Early Validation, CWE-1173 Improper Use of Validation Framework
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2073310 | x_refsource_MISC |
| https://www.openwall.com/lists/oss-security/2022/… | x_refsource_MISC |
| https://lists.gnu.org/r/bug-gzip/2022-04/msg00011.html | x_refsource_MISC |
| https://tukaani.org/xz/xzgrep-ZDI-CAN-16587.patch | x_refsource_MISC |
| https://git.tukaani.org/?p=xz.git%3Ba=commit%3Bh=… | x_refsource_MISC |
| https://security-tracker.debian.org/tracker/CVE-2… | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2022-1271 | x_refsource_MISC |
| https://security.gentoo.org/glsa/202209-01 | vendor-advisoryx_refsource_GENTOO |
| https://security.netapp.com/advisory/ntap-2022093… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | gzip, xz-utils |
Affected:
Fixed in gzip 1.12
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CVE-2015-4035 (GCVE-0-2015-4035)
Vulnerability from nvd – Published: 2017-07-25 18:00 – Updated: 2024-08-06 06:04
VLAI
Summary
scripts/xzgrep.in in xzgrep 5.2.x before 5.2.0, before 5.0.0 does not properly process file names containing semicolons, which allows remote attackers to execute arbitrary code by having a user run xzgrep on a crafted file name.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
4 references
| URL | Tags |
|---|---|
| http://seclists.org/oss-sec/2015/q2/484 | mailing-listx_refsource_MLIST |
| https://bugzilla.redhat.com/show_bug.cgi?id=1223341 | x_refsource_CONFIRM |
| https://git.tukaani.org/?p=xz.git%3Ba=commitdiff%… | x_refsource_CONFIRM |
| http://www.openwall.com/lists/oss-security/2015/0… | mailing-listx_refsource_MLIST |
Date Public
2015-05-20 00:00
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CVE-2026-34743 (GCVE-0-2026-34743)
Vulnerability from cvelistv5 – Published: 2026-04-02 18:36 – Updated: 2026-04-03 12:59
VLAI
Title
XZ Utils: Buffer overflow in lzma_index_append()
Summary
XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzma_index_decoder() was used to decode an Index that contained no Records, the resulting lzma_index was left in a state where where a subsequent lzma_index_append() would allocate too little memory, and a buffer overflow would occur. This issue has been patched in version 5.8.3.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/tukaani-project/xz/security/ad… | x_refsource_CONFIRM |
| https://github.com/tukaani-project/xz/commit/c8c2… | x_refsource_MISC |
| https://github.com/tukaani-project/xz/releases/ta… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| tukaani-project | xz |
Affected:
< 5.8.3
|
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CVE-2024-3094 (GCVE-0-2024-3094)
Vulnerability from cvelistv5 – Published: 2024-03-29 16:51 – Updated: 2025-11-20 07:17
VLAI
Title
Xz: malicious code in distributed source
Summary
Malicious code was discovered in the upstream tarballs of xz, starting with version 5.6.0.
Through a series of complex obfuscations, the liblzma build process extracts a prebuilt object file from a disguised test file existing in the source code, which is then used to modify specific functions in the liblzma code. This results in a modified liblzma library that can be used by any software linked against this library, intercepting and modifying the data interaction with this library.
Severity
10 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-506 - Embedded Malicious Code
Assigner
References
55 references
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
|
Affected:
5.6.0
Affected: 5.6.1 |
|||
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8 |
cpe:/a:redhat:jboss_enterprise_application_platform:8 |
Date Public
2024-03-29 00:00
Credits
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CVE-2020-22916 (GCVE-0-2020-22916)
Vulnerability from cvelistv5 – Published: 2023-08-22 00:00 – Updated: 2024-10-29 13:27 Disputed
VLAI
Summary
An issue discovered in XZ 5.2.5 allows attackers to cause a denial of service via decompression of a crafted file. NOTE: the vendor disputes the claims of "endless output" and "denial of service" because decompression of the 17,486 bytes always results in 114,881,179 bytes, which is often a reasonable size increase.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
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CVE-2022-1271 (GCVE-0-2022-1271)
Vulnerability from cvelistv5 – Published: 2022-08-31 15:33 – Updated: 2025-06-09 14:56
VLAI
Summary
An arbitrary file write vulnerability was found in GNU gzip's zgrep utility. When zgrep is applied on the attacker's chosen file name (for example, a crafted file name), this can overwrite an attacker's content to an arbitrary attacker-selected file. This flaw occurs due to insufficient validation when processing filenames with two or more newlines where selected content and the target file names are embedded in crafted multi-line file names. This flaw allows a remote, low privileged attacker to force zgrep to write arbitrary files on the system.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-179 - - Incorrect Behavior Order: Early Validation, CWE-1173 Improper Use of Validation Framework
Assigner
References
9 references
| URL | Tags |
|---|---|
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| https://www.openwall.com/lists/oss-security/2022/… | x_refsource_MISC |
| https://lists.gnu.org/r/bug-gzip/2022-04/msg00011.html | x_refsource_MISC |
| https://tukaani.org/xz/xzgrep-ZDI-CAN-16587.patch | x_refsource_MISC |
| https://git.tukaani.org/?p=xz.git%3Ba=commit%3Bh=… | x_refsource_MISC |
| https://security-tracker.debian.org/tracker/CVE-2… | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2022-1271 | x_refsource_MISC |
| https://security.gentoo.org/glsa/202209-01 | vendor-advisoryx_refsource_GENTOO |
| https://security.netapp.com/advisory/ntap-2022093… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | gzip, xz-utils |
Affected:
Fixed in gzip 1.12
|
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CVE-2015-4035 (GCVE-0-2015-4035)
Vulnerability from cvelistv5 – Published: 2017-07-25 18:00 – Updated: 2024-08-06 06:04
VLAI
Summary
scripts/xzgrep.in in xzgrep 5.2.x before 5.2.0, before 5.0.0 does not properly process file names containing semicolons, which allows remote attackers to execute arbitrary code by having a user run xzgrep on a crafted file name.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
4 references
| URL | Tags |
|---|---|
| http://seclists.org/oss-sec/2015/q2/484 | mailing-listx_refsource_MLIST |
| https://bugzilla.redhat.com/show_bug.cgi?id=1223341 | x_refsource_CONFIRM |
| https://git.tukaani.org/?p=xz.git%3Ba=commitdiff%… | x_refsource_CONFIRM |
| http://www.openwall.com/lists/oss-security/2015/0… | mailing-listx_refsource_MLIST |
Date Public
2015-05-20 00:00
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1223341"
},
{
"name": "https://git.tukaani.org/?p=xz.git;a=commitdiff;h=f4b2b52624b802c786e4e2a8eb6895794dd93b24",
"refsource": "CONFIRM",
"url": "https://git.tukaani.org/?p=xz.git;a=commitdiff;h=f4b2b52624b802c786e4e2a8eb6895794dd93b24"
},
{
"name": "[oss-security] 20150519 Re: CVE request: xzgrep 4.999.9beta arbitrary code execution vulnerability",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2015/05/19/13"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2015-4035",
"datePublished": "2017-07-25T18:00:00.000Z",
"dateReserved": "2015-05-19T00:00:00.000Z",
"dateUpdated": "2024-08-06T06:04:02.701Z",
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