Common Weakness Enumeration
CWE-126
AllowedBuffer Over-read
Abstraction: Variant · Status: Draft
The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.
954 vulnerabilities reference this CWE, most recent first.
GHSA-49JM-RRR5-6685
Vulnerability from github – Published: 2026-07-14 18:32 – Updated: 2026-07-14 18:32
VLAI
Details
Incorrect conversion between numeric types in Windows NTFS allows an authorized attacker to elevate privileges locally.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2026-50402"
],
"database_specific": {
"cwe_ids": [
"CWE-126"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-07-14T18:17:42Z",
"severity": "HIGH"
},
"details": "Incorrect conversion between numeric types in Windows NTFS allows an authorized attacker to elevate privileges locally.",
"id": "GHSA-49jm-rrr5-6685",
"modified": "2026-07-14T18:32:20Z",
"published": "2026-07-14T18:32:20Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-50402"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50402"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-4F7M-V6HV-9HCR
Vulnerability from github – Published: 2025-05-15 18:31 – Updated: 2025-05-19 21:30
VLAI
Details
An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel 5.3 before version 05.38.50, kernel 5.4 before version 05.46.50, kernel 5.5 before version 05.54.50, kernel 5.6 before version 05.61.50, and kernel 5.7 before version 05.70.50. In VariableRuntimeDxe driver, SmmUpdateVariablePropertySmi () is a SMM callback function and it uses StrCmp () to compare variable names. This action may cause a buffer over-read.
Severity
7.5 (High)
{
"affected": [],
"aliases": [
"CVE-2024-52879"
],
"database_specific": {
"cwe_ids": [
"CWE-126"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-05-15T16:15:33Z",
"severity": "HIGH"
},
"details": "An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel 5.3 before version 05.38.50, kernel 5.4 before version 05.46.50, kernel 5.5 before version 05.54.50, kernel 5.6 before version 05.61.50, and kernel 5.7 before version 05.70.50. In VariableRuntimeDxe driver, SmmUpdateVariablePropertySmi () is a SMM callback function and it uses StrCmp () to compare variable names. This action may cause a buffer over-read.",
"id": "GHSA-4f7m-v6hv-9hcr",
"modified": "2025-05-19T21:30:31Z",
"published": "2025-05-15T18:31:45Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-52879"
},
{
"type": "WEB",
"url": "https://www.insyde.com/security-pledge"
},
{
"type": "WEB",
"url": "https://www.insyde.com/security-pledge/sa-2024016"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-4FMH-MF22-VCRX
Vulnerability from github – Published: 2023-08-08 12:30 – Updated: 2024-04-04 06:38
VLAI
Details
Transient DOS in Audio while remapping channel buffer in media codec decoding.
Severity
7.5 (High)
{
"affected": [],
"aliases": [
"CVE-2023-28555"
],
"database_specific": {
"cwe_ids": [
"CWE-125",
"CWE-126"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-08-08T10:15:14Z",
"severity": "HIGH"
},
"details": "Transient DOS in Audio while remapping channel buffer in media codec decoding.",
"id": "GHSA-4fmh-mf22-vcrx",
"modified": "2024-04-04T06:38:26Z",
"published": "2023-08-08T12:30:20Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-28555"
},
{
"type": "WEB",
"url": "https://www.qualcomm.com/company/product-security/bulletins/august-2023-bulletin"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-4GMQ-QMQJ-MJVF
Vulnerability from github – Published: 2026-04-14 18:30 – Updated: 2026-04-14 18:30
VLAI
Details
Buffer over-read in Windows Projected File System allows an authorized attacker to elevate privileges locally.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2026-26184"
],
"database_specific": {
"cwe_ids": [
"CWE-126"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-04-14T18:16:55Z",
"severity": "HIGH"
},
"details": "Buffer over-read in Windows Projected File System allows an authorized attacker to elevate privileges locally.",
"id": "GHSA-4gmq-qmqj-mjvf",
"modified": "2026-04-14T18:30:38Z",
"published": "2026-04-14T18:30:38Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26184"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26184"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-4H9H-Q39G-QF8M
Vulnerability from github – Published: 2025-07-08 15:32 – Updated: 2025-07-08 15:32
VLAI
Details
Transient DOS while processing received beacon frame.
Severity
7.5 (High)
{
"affected": [],
"aliases": [
"CVE-2025-21454"
],
"database_specific": {
"cwe_ids": [
"CWE-125",
"CWE-126"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-07-08T13:15:30Z",
"severity": "HIGH"
},
"details": "Transient DOS while processing received beacon frame.",
"id": "GHSA-4h9h-q39g-qf8m",
"modified": "2025-07-08T15:32:02Z",
"published": "2025-07-08T15:32:02Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21454"
},
{
"type": "WEB",
"url": "https://docs.qualcomm.com/product/publicresources/securitybulletin/july-2025-bulletin.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-4HC8-554P-PQQ5
Vulnerability from github – Published: 2023-06-06 09:30 – Updated: 2024-04-04 04:34
VLAI
Details
Information Disclosure in WLAN HOST while sending DPP action frame to peer with an invalid source address.
Severity
8.2 (High)
{
"affected": [],
"aliases": [
"CVE-2023-21669"
],
"database_specific": {
"cwe_ids": [
"CWE-125",
"CWE-126"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-06-06T08:15:12Z",
"severity": "HIGH"
},
"details": "Information Disclosure in WLAN HOST while sending DPP action frame to peer with an invalid source address.",
"id": "GHSA-4hc8-554p-pqq5",
"modified": "2024-04-04T04:34:59Z",
"published": "2023-06-06T09:30:19Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-21669"
},
{
"type": "WEB",
"url": "https://www.qualcomm.com/company/product-security/bulletins/june-2023-bulletin"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L",
"type": "CVSS_V3"
}
]
}
GHSA-4MGV-G5J9-FR8Q
Vulnerability from github – Published: 2024-02-20 15:31 – Updated: 2024-02-20 15:31
VLAI
Details
A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted network packet can lead to an out-of-bounds read. An attacker can send a malicious packet to trigger this vulnerability.This vulnerability concerns a denial of service within the parsing an IPv6 ICMPv6 packet.
Severity
5.9 (Medium)
{
"affected": [],
"aliases": [
"CVE-2023-39541"
],
"database_specific": {
"cwe_ids": [
"CWE-125",
"CWE-126"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-02-20T15:15:08Z",
"severity": "MODERATE"
},
"details": "A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted network packet can lead to an out-of-bounds read. An attacker can send a malicious packet to trigger this vulnerability.This vulnerability concerns a denial of service within the parsing an IPv6 ICMPv6 packet.",
"id": "GHSA-4mgv-g5j9-fr8q",
"modified": "2024-02-20T15:31:05Z",
"published": "2024-02-20T15:31:05Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-39541"
},
{
"type": "WEB",
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828"
},
{
"type": "WEB",
"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1828"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-4P3H-QRPG-H7HR
Vulnerability from github – Published: 2023-05-02 06:30 – Updated: 2024-04-04 03:45
VLAI
Details
Information disclosure due to buffer over-read in Modem while parsing DNS hostname.
Severity
8.2 (High)
{
"affected": [],
"aliases": [
"CVE-2022-40505"
],
"database_specific": {
"cwe_ids": [
"CWE-125",
"CWE-126"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-05-02T06:15:10Z",
"severity": "HIGH"
},
"details": "Information disclosure due to buffer over-read in Modem while parsing DNS hostname.",
"id": "GHSA-4p3h-qrpg-h7hr",
"modified": "2024-04-04T03:45:36Z",
"published": "2023-05-02T06:30:28Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-40505"
},
{
"type": "WEB",
"url": "https://www.qualcomm.com/company/product-security/bulletins/may-2023-bulletin"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L",
"type": "CVSS_V3"
}
]
}
GHSA-4P49-PGHR-968W
Vulnerability from github – Published: 2026-03-24 21:31 – Updated: 2026-06-30 03:36
VLAI
Details
A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking sensitive data. This vulnerability affects Thunderbird < 149 and Thunderbird < 140.9.
Severity
7.4 (High)
{
"affected": [],
"aliases": [
"CVE-2026-4371"
],
"database_specific": {
"cwe_ids": [
"CWE-126",
"CWE-130"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-03-24T21:16:29Z",
"severity": "HIGH"
},
"details": "A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking sensitive data. This vulnerability affects Thunderbird \u003c 149 and Thunderbird \u003c 140.9.",
"id": "GHSA-4p49-pghr-968w",
"modified": "2026-06-30T03:36:00Z",
"published": "2026-03-24T21:31:24Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4371"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-24"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-23"
},
{
"type": "WEB",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4371.json"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451001"
},
{
"type": "WEB",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2023493"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2026-4371"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8850"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8315"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8290"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8289"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8288"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8287"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8286"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8285"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8284"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:6917"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:6342"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:6188"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-4P54-36PQ-7QRC
Vulnerability from github – Published: 2022-08-24 00:00 – Updated: 2022-08-27 00:00
VLAI
Details
A global buffer overflow was discovered in pngcheck function in pngcheck-2.4.0(5 patches applied) via a crafted png file.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2020-35511"
],
"database_specific": {
"cwe_ids": [
"CWE-119",
"CWE-126"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-08-23T20:15:00Z",
"severity": "HIGH"
},
"details": "A global buffer overflow was discovered in pngcheck function in pngcheck-2.4.0(5 patches applied) via a crafted png file.",
"id": "GHSA-4p54-36pq-7qrc",
"modified": "2022-08-27T00:00:42Z",
"published": "2022-08-24T00:00:27Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-35511"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00024.html"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2022/dsa-5300"
},
{
"type": "WEB",
"url": "http://www.libpng.org/pub/png/apps/pngcheck.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.