{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageName": "xorg-x11-server",
          "product": "xorg-x11-server",
          "repo": "https://gitlab.freedesktop.org/xorg/xserver",
          "vendor": "x.org",
          "versions": [
            {
              "lessThan": "21.1.25",
              "status": "affected",
              "version": "0",
              "versionType": "rpm"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "packageName": "xwayland",
          "product": "xwayland",
          "repo": "https://gitlab.freedesktop.org/xorg/xserver",
          "vendor": "x.org",
          "versions": [
            {
              "lessThan": "24.1.14",
              "status": "affected",
              "version": "0",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:x.org:xorg-x11-server:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "21.1.25",
                  "versionStartIncluding": "0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "OR"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "WONJOON HWANG (@joon1337) working with TrendAI Zero Day Initiative"
        }
      ],
      "datePublic": "2026-10-28T16:20:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A buffer overread in\u0026nbsp;\u003cspan\u003eCheckKeySyms() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to leak small amounts of information from X server memory or potentially crash the X server.\u003c/span\u003e"
            }
          ],
          "value": "A buffer overread in\u00a0CheckKeySyms() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to leak small amounts of information from X server memory or potentially crash the X server."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-131",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-131 Resource Leak Exposure"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-126",
              "description": "CWE-126 Buffer over-read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-28T16:24:52.508Z",
        "orgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb",
        "shortName": "suse"
      },
      "references": [
        {
          "tags": [
            "patch"
          ],
          "url": "https://gitlab.freedesktop.org/xorg/xserver/-/commit/cea71d0273e4d5092aa9c6a8a770734c8935c02e"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "X.Org Server XKB SetMap Key Width/Action Count Desync Out-Of-Bounds Read",
      "x_generator": {
        "engine": "Vulnogram 1.0.5"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb",
    "assignerShortName": "suse",
    "cveId": "CVE-2026-93524",
    "datePublished": "2026-10-28T16:24:52.508Z",
    "dateReserved": "2026-09-18T08:46:56.692Z",
    "dateUpdated": "2026-10-28T16:24:52.508Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}