{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93536","assignerOrgId":"404e59f5-483d-4b8a-8e7a-e67604dd8afb","state":"PUBLISHED","assignerShortName":"suse","dateReserved":"2026-09-18T09:08:10.294Z","datePublished":"2026-10-28T16:33:33.815Z","dateUpdated":"2026-10-28T16:33:33.815Z"},"containers":{"cna":{"providerMetadata":{"orgId":"404e59f5-483d-4b8a-8e7a-e67604dd8afb","shortName":"suse","dateUpdated":"2026-10-28T16:33:33.815Z"},"title":"X.Org Server GestureBuildSprite Use-After-Free","datePublic":"2026-10-28T16:26:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-122","description":"CWE-122 Heap-based buffer overflow","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-242","descriptions":[{"lang":"en","value":"CAPEC-242 Code Injection"}]}],"affected":[{"vendor":"x.org","product":"xorg-x11-server","packageName":"xorg-x11-server","repo":"https://gitlab.freedesktop.org/xorg/xserver","versions":[{"status":"affected","version":"0","lessThan":"21.1.25","versionType":"rpm"}],"defaultStatus":"unaffected"},{"vendor":"x.org","product":"xwayland","packageName":"xwayland","repo":"https://gitlab.freedesktop.org/xorg/xserver","versions":[{"status":"affected","version":"0","lessThan":"24.1.14","versionType":"rpm"}],"defaultStatus":"unaffected"}],"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:x.org:xorg-x11-server:*:*:*:*:*:*:*:*","versionStartIncluding":"0","versionEndExcluding":"21.1.25"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:*","versionStartIncluding":"0","versionEndExcluding":"24.1.14"}]}]}],"descriptions":[{"lang":"en","value":"A use after free caused by missing lifecycle management of gesture sprites in GestureBuildSprite() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash the X server or potentially execute code.","supportingMedia":[{"type":"text/html","base64":false,"value":"A use after free caused by missing lifecycle management of gesture sprites in&nbsp;<span>GestureBuildSprite() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash the X server or potentially execute code.</span>"}]}],"references":[{"url":"https://gitlab.freedesktop.org/xorg/xserver/-/commit/efcfd8acc754c5ac4b2555ff375dd5101d735b0a","tags":["patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"HIGH","baseSeverity":"MEDIUM","baseScore":5.3,"vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H"}}],"credits":[{"lang":"en","value":"4nibhal working with TrendAI Zero Day Initiative","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.5"}}}}