Common Weakness Enumeration
CWE-125
AllowedOut-of-bounds Read
Abstraction: Base · Status: Draft
The product reads data past the end, or before the beginning, of the intended buffer.
11305 vulnerabilities reference this CWE, most recent first.
CVE-2026-4367 (GCVE-0-2026-4367)
Vulnerability from cvelistv5 – Published: 2026-06-16 16:50 – Updated: 2026-06-26 21:04
VLAI
EPSS
VEX
Title
Libxpm: libxpm: denial of service via out-of-bounds read in xpm file parsing
Summary
A flaw was found in libXpm. A local user with low privileges could exploit an Out-of-Bounds Read vulnerability in the `xpmNextWord()` function by processing a specially crafted or very small XPM (X PixMap) image file. This improper validation of file boundaries can cause an internal pointer to read beyond the file's end, leading to application crashes and Denial of Service conditions.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:30354 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-4367 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2448984 | issue-trackingx_refsource_REDHAT |
| https://gitlab.freedesktop.org/xorg/lib/libxpm/-/… | |
| https://seclists.org/oss-sec/2026/q2/192 | |
| http://www.openwall.com/lists/oss-security/2026/04/21/3 |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Hardened Images |
Unaffected:
3.5.17-7.2.hum1 , < *
(rpm)
cpe:/a:redhat:hummingbird: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 |
Date Public
2026-04-21 13:26
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CVE-2026-4159 (GCVE-0-2026-4159)
Vulnerability from cvelistv5 – Published: 2026-03-19 21:17 – Updated: 2026-03-20 16:29
VLAI
EPSS
VEX
Title
wc_PKCS7_DecodeEnvelopedData 1 byte out-of-bounds read
Summary
1-byte OOB heap read in wc_PKCS7_DecodeEnvelopedData via zero-length encrypted content. A vulnerability existed in wolfSSL 5.8.4 and earlier, where a 1-byte out-of-bounds heap read in wc_PKCS7_DecodeEnvelopedData could be triggered by a crafted CMS EnvelopedData message with zero-length encrypted content. Note that PKCS7 support is disabled by default.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-125 - Out-of-bounds read
Assigner
References
1 reference
Credits
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CVE-2026-4012 (GCVE-0-2026-4012)
Vulnerability from cvelistv5 – Published: 2026-03-12 07:32 – Updated: 2026-03-12 15:02
VLAI
EPSS
VEX
Title
rxi fe fe.c read_ out-of-bounds
Summary
A vulnerability was determined in rxi fe up to ed4cda96bd582cbb08520964ba627efb40f3dd91. The impacted element is the function read_ of the file src/fe.c. This manipulation with the input 1 causes out-of-bounds read. The attack requires local access. The exploit has been publicly disclosed and may be utilized. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.350534 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.350534 | signaturepermissions-required |
| https://vuldb.com/?submit.769774 | third-party-advisory |
| https://github.com/rxi/fe/issues/34 | issue-tracking |
| https://github.com/oneafter/0211/blob/main/fe/repro | exploit |
| https://github.com/rxi/fe/ | product |
Impacted products
Credits
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CVE-2026-4009 (GCVE-0-2026-4009)
Vulnerability from cvelistv5 – Published: 2026-03-12 07:02 – Updated: 2026-03-12 14:05
VLAI
EPSS
VEX
Title
jarikomppa soloud WAV File dr_wav.h drwav_read_pcm_frames_s16__msadpcm out-of-bounds
Summary
A vulnerability has been found in jarikomppa soloud up to 20200207. Impacted is the function drwav_read_pcm_frames_s16__msadpcm in the library src/audiosource/wav/dr_wav.h of the component WAV File Parser. The manipulation leads to out-of-bounds read. The attack needs to be performed locally. The exploit has been disclosed to the public and may be used. Upgrading to version 20200207 is recommended to address this issue. It is recommended to upgrade the affected component. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.350532 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.350532 | signaturepermissions-required |
| https://vuldb.com/?submit.769766 | third-party-advisory |
| https://github.com/jarikomppa/soloud/issues/401 | issue-tracking |
| https://github.com/oneafter/0209/blob/main/so3/repro | exploit |
| https://github.com/jarikomppa/soloud/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| jarikomppa | soloud |
Affected:
20200207
Unaffected: 20200207 |
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CVE-2026-3950 (GCVE-0-2026-3950)
Vulnerability from cvelistv5 – Published: 2026-03-11 19:02 – Updated: 2026-03-11 20:24
VLAI
EPSS
VEX
Title
strukturag libheif stsz/stts track.cc load out-of-bounds
Summary
A vulnerability was identified in strukturag libheif up to 1.21.2. This impacts the function Track::load of the file libheif/sequences/track.cc of the component stsz/stts. The manipulation leads to out-of-bounds read. The attack needs to be performed locally. The exploit is publicly available and might be used. Applying a patch is the recommended action to fix this issue. The patch available is inofficial and not approved yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.350382 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.350382 | signaturepermissions-required |
| https://vuldb.com/?submit.766431 | third-party-advisory |
| https://github.com/strukturag/libheif/issues/1715 | issue-tracking |
| https://github.com/Niebelungen-D/pocs/tree/main/h… | exploit |
| https://github.com/strukturag/libheif/pull/1721 | issue-trackingpatch |
| https://github.com/strukturag/libheif/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strukturag | libheif |
Affected:
1.21.0
Affected: 1.21.1 Affected: 1.21.2 |
Credits
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CVE-2026-3949 (GCVE-0-2026-3949)
Vulnerability from cvelistv5 – Published: 2026-03-11 18:32 – Updated: 2026-03-11 19:38 X_Open Source
VLAI
EPSS
VEX
Title
strukturag libheif HEIF File decoder_vvdec.cc vvdec_push_data2 out-of-bounds
Summary
A vulnerability was determined in strukturag libheif up to 1.21.2. This affects the function vvdec_push_data2 of the file libheif/plugins/decoder_vvdec.cc of the component HEIF File Parser. Executing a manipulation of the argument size can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. This patch is called b97c8b5f198b27f375127cd597a35f2113544d03. It is advisable to implement a patch to correct this issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.350381 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.350381 | signaturepermissions-required |
| https://vuldb.com/?submit.765979 | third-party-advisory |
| https://github.com/strukturag/libheif/issues/1712 | issue-tracking |
| https://github.com/strukturag/libheif/issues/1712… | issue-tracking |
| https://github.com/biniamf/pocs/tree/main/libheif_vvdec | exploit |
| https://github.com/strukturag/libheif/commit/b97c… | patch |
| https://github.com/strukturag/libheif/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strukturag | libheif |
Affected:
1.21.0
Affected: 1.21.1 Affected: 1.21.2 |
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CVE-2026-3894 (GCVE-0-2026-3894)
Vulnerability from cvelistv5 – Published: 2026-06-17 17:19 – Updated: 2026-06-17 18:01
VLAI
EPSS
VEX
Title
Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.
Summary
Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.3, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.0.0 before 5.2.*.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| RTI | Connext Professional |
Affected:
7.4.0 , < 7.7.0
(custom)
Affected: 7.0.0 , < 7.3.1.3 (custom) Affected: 6.1.0 , < 6.1.* (custom) Affected: 6.0.0 , < 6.0.* (custom) Affected: 5.3.0 , < 5.3.* (custom) Affected: 5.0.0 , < 5.2.* (custom) |
Date Public
2026-06-12 16:21
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CVE-2026-3731 (GCVE-0-2026-3731)
Vulnerability from cvelistv5 – Published: 2026-03-08 10:32 – Updated: 2026-03-11 19:50
VLAI
EPSS
VEX
Title
libssh SFTP Extension Name sftp.c sftp_extensions_get_data out-of-bounds
Summary
A weakness has been identified in libssh up to 0.11.3. The impacted element is the function sftp_extensions_get_name/sftp_extensions_get_data of the file src/sftp.c of the component SFTP Extension Name Handler. Executing a manipulation of the argument idx can lead to out-of-bounds read. The attack may be performed from remote. Upgrading to version 0.11.4 and 0.12.0 is sufficient to resolve this issue. This patch is called 855a0853ad3abd4a6cd85ce06fce6d8d4c7a0b60. You should upgrade the affected component.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.349709 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.349709 | signaturepermissions-required |
| https://vuldb.com/?submit.767120 | third-party-advisory |
| https://www.libssh.org/security/advisories/libssh… | related |
| https://gitlab.com/libssh/libssh-mirror/-/commit/… | patch |
| https://www.libssh.org/files/0.12/libssh-0.12.0.tar.xz | patch |
Impacted products
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CVE-2026-3664 (GCVE-0-2026-3664)
Vulnerability from cvelistv5 – Published: 2026-03-07 14:32 – Updated: 2026-03-11 16:29
VLAI
EPSS
VEX
Title
xlnt-community xlnt Encrypted XLSX File compound_document.cpp read_directory out-of-bounds
Summary
A vulnerability was determined in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::compound_document::read_directory of the file source/detail/cryptography/compound_document.cpp of the component Encrypted XLSX File Parser. Executing a manipulation can lead to out-of-bounds read. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. This patch is called 147. Applying a patch is advised to resolve this issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.349553 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.349553 | signaturepermissions-required |
| https://vuldb.com/?submit.764646 | third-party-advisory |
| https://github.com/xlnt-community/xlnt/issues/141 | issue-tracking |
| https://github.com/oneafter/0128/blob/main/xl5/repro | exploit |
| https://github.com/xlnt-community/xlnt/pull/147 | issue-trackingpatch |
| https://github.com/xlnt-community/xlnt/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xlnt-community | xlnt |
Affected:
1.6.0
Affected: 1.6.1 |
Credits
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CVE-2026-3663 (GCVE-0-2026-3663)
Vulnerability from cvelistv5 – Published: 2026-03-07 14:32 – Updated: 2026-03-11 16:29
VLAI
EPSS
VEX
Title
xlnt-community xlnt XLSX File compound_document.cpp xsgetn out-of-bounds
Summary
A vulnerability was found in xlnt-community xlnt up to 1.6.1. This issue affects the function xlnt::detail::compound_document_istreambuf::xsgetn of the file source/detail/cryptography/compound_document.cpp of the component XLSX File Parser. Performing a manipulation results in out-of-bounds read. The attack is only possible with local access. The exploit has been made public and could be used. The patch is named 147. It is recommended to apply a patch to fix this issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.349552 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.349552 | signaturepermissions-required |
| https://vuldb.com/?submit.764644 | third-party-advisory |
| https://github.com/xlnt-community/xlnt/issues/139 | issue-tracking |
| https://github.com/oneafter/0128/blob/main/xl3/repro | exploit |
| https://github.com/xlnt-community/xlnt/pull/147 | issue-trackingpatch |
| https://github.com/xlnt-community/xlnt/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xlnt-community | xlnt |
Affected:
1.6.0
Affected: 1.6.1 |
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"timestamp": "2026-03-11T16:15:09.537284Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-03-11T16:29:23.238Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"modules": [
"XLSX File Parser"
],
"product": "xlnt",
"vendor": "xlnt-community",
"versions": [
{
"status": "affected",
"version": "1.6.0"
},
{
"status": "affected",
"version": "1.6.1"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Oneafter (VulDB User)"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was found in xlnt-community xlnt up to 1.6.1. This issue affects the function xlnt::detail::compound_document_istreambuf::xsgetn of the file source/detail/cryptography/compound_document.cpp of the component XLSX File Parser. Performing a manipulation results in out-of-bounds read. The attack is only possible with local access. The exploit has been made public and could be used. The patch is named 147. It is recommended to apply a patch to fix this issue."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 3.3,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 3.3,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 1.7,
"vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "Out-of-Bounds Read",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-119",
"description": "Memory Corruption",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-07T14:32:09.897Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-349552 | xlnt-community xlnt XLSX File compound_document.cpp xsgetn out-of-bounds",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/?id.349552"
},
{
"name": "VDB-349552 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/?ctiid.349552"
},
{
"name": "Submit #764644 | xlnt-community xlnt commit bceb706 and before Heap-based Buffer Overflow",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/?submit.764644"
},
{
"tags": [
"issue-tracking"
],
"url": "https://github.com/xlnt-community/xlnt/issues/139"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/oneafter/0128/blob/main/xl3/repro"
},
{
"tags": [
"issue-tracking",
"patch"
],
"url": "https://github.com/xlnt-community/xlnt/pull/147"
},
{
"tags": [
"product"
],
"url": "https://github.com/xlnt-community/xlnt/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-03-06T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-03-06T01:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-03-06T21:39:52.000Z",
"value": "VulDB entry last update"
}
],
"title": "xlnt-community xlnt XLSX File compound_document.cpp xsgetn out-of-bounds"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-3663",
"datePublished": "2026-03-07T14:32:09.897Z",
"dateReserved": "2026-03-06T20:34:39.952Z",
"dateUpdated": "2026-03-11T16:29:23.238Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Mitigation MIT-5
Implementation
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
- To reduce the likelihood of introducing an out-of-bounds read, ensure that you validate and ensure correct calculations for any length argument, buffer size calculation, or offset. Be especially careful of relying on a sentinel (i.e. special character such as NUL) in untrusted inputs.
Mitigation
Architecture and Design
Strategy: Language Selection
Use a language that provides appropriate memory abstractions.
CAPEC-540: Overread Buffers
An adversary attacks a target by providing input that causes an application to read beyond the boundary of a defined buffer. This typically occurs when a value influencing where to start or stop reading is set to reflect positions outside of the valid memory location of the buffer. This type of attack may result in exposure of sensitive information, a system crash, or arbitrary code execution.