GHSA-32VR-5HXF-X93F

Vulnerability from github – Published: 2025-06-12 15:31 – Updated: 2025-11-29 03:30
VLAI?
Details

A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.

Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2025-6021"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-121",
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-06-12T13:15:25Z",
    "severity": "HIGH"
  },
  "details": "A flaw was found in libxml2\u0027s xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.",
  "id": "GHSA-32vr-5hxf-x93f",
  "modified": "2025-11-29T03:30:15Z",
  "published": "2025-06-12T15:31:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-6021"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/07/msg00014.html"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.gnome.org/GNOME/libxml2/-/issues/926"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2372406"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2025-6021"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2025:19020"
    },
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      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2025:15672"
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      "url": "https://access.redhat.com/errata/RHSA-2025:14059"
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      "type": "WEB",
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      "url": "https://access.redhat.com/errata/RHSA-2025:12237"
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    {
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      "url": "https://access.redhat.com/errata/RHSA-2025:12199"
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      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2025:12099"
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  ],
  "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"
    }
  ]
}


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  • 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.



Detection rules are retrieved from Rulezet.