GHSA-H4R4-6HVF-34R8

Vulnerability from github – Published: 2025-10-30 06:30 – Updated: 2025-12-04 18:30
VLAI?
Details

A flaw was identified in the X.Org X server’s X Keyboard (Xkb) extension where improper bounds checking in the XkbSetCompatMap() function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a crash.

Severity ?
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2025-62231"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-30T05:15:39Z",
    "severity": "HIGH"
  },
  "details": "A flaw was identified in the X.Org X server\u2019s X Keyboard (Xkb) extension where improper bounds checking in the XkbSetCompatMap() function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a crash.",
  "id": "GHSA-h4r4-6hvf-34r8",
  "modified": "2025-12-04T18:30:38Z",
  "published": "2025-10-30T06:30:53Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-62231"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00033.html"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2402660"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2025-62231"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2025:22753"
    },
    {
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      "url": "https://access.redhat.com/errata/RHSA-2025:22742"
    },
    {
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      "url": "https://access.redhat.com/errata/RHSA-2025:22729"
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      "url": "https://access.redhat.com/errata/RHSA-2025:22667"
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    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2025:22365"
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    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2025:19623"
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    {
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      "url": "https://access.redhat.com/errata/RHSA-2025:19489"
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      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2025:19435"
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    {
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      "url": "https://access.redhat.com/errata/RHSA-2025:19434"
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    {
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    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2025/10/28/7"
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  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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