{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "24.1.9"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "65acc54b7079ad4c01c35ebdde34b3ff9ebd0d2a"
            }
          ],
          "repo": "https://gitlab.freedesktop.org/xorg/xserver",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "redhat",
    "cwe_ids": [
      "CWE-190"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/62xxx/CVE-2025-62231.json"
  },
  "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.",
  "id": "CVE-2025-62231",
  "modified": "2026-07-08T05:39:20.975442036Z",
  "published": "2025-10-30T05:08:32.155Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2025/10/28/7"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/downloads/content/package-browser/"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00033.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.x.org/archives/xorg-announce/2025-October/003635.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:19432"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:19433"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:19434"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:19435"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:19489"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:19623"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:19909"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:20958"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:20960"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:20961"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:21035"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:22040"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:22041"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:22051"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:22055"
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    {
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      "url": "https://access.redhat.com/errata/RHSA-2025:22056"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:22077"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:22096"
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    {
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      "url": "https://access.redhat.com/errata/RHSA-2025:22164"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:22167"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:22364"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:22365"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:22426"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:22427"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:22667"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:22729"
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    {
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      "url": "https://access.redhat.com/errata/RHSA-2025:22742"
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    {
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      "url": "https://access.redhat.com/errata/RHSA-2025:22753"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:0031"
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      "url": "https://access.redhat.com/errata/RHSA-2026:0033"
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      "url": "https://access.redhat.com/errata/RHSA-2026:0034"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:0035"
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    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:0036"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/security/cve/CVE-2025-62231"
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    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/62xxx/CVE-2025-62231.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-62231"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2402660"
    },
    {
      "type": "PACKAGE",
      "url": "https://gitlab.freedesktop.org/xorg/xserver"
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  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Xorg: xmayland: value overflow in xkbsetcompatmap()"
}