{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-109903", "assignerOrgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb", "state": "PUBLISHED", "assignerShortName": "suse", "dateReserved": "2026-10-13T09:50:30.689Z", "datePublished": "2026-11-13T10:50:09.683Z", "dateUpdated": "2026-11-13T10:50:09.683Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb", "shortName": "suse", "dateUpdated": "2026-11-13T10:50:09.683Z"}, "title": "X.Org Server XvQueryImageAttributes Negative Size Reply", "datePublic": "2026-11-13T10:35:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-191", "description": "CWE-191 Integer underflow (wrap or wraparound)", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100 Overflow Buffers"}]}], "affected": [{"vendor": "X.Org", "product": "xwayland", "packageName": "xwayland", "repo": "https://gitlab.freedesktop.org/xorg/xserver/", "versions": [{"status": "affected", "version": "0", "lessThan": "24.1.15", "versionType": "rpm"}], "defaultStatus": "unaffected"}, {"vendor": "X.Org", "product": "xorg-x11-server", "packageName": "xorg-x11-server", "repo": "https://gitlab.freedesktop.org/xorg/xserver/", "versions": [{"status": "affected", "version": "0", "lessThan": "21.1.26", "versionType": "rpm"}], "defaultStatus": "unaffected"}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:*", "versionStartIncluding": "0", "versionEndExcluding": "24.1.15"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:x.org:xorg-x11-server:*:*:*:*:*:*:*:*", "versionStartIncluding": "0", "versionEndExcluding": "21.1.26"}]}]}], "descriptions": [{"lang": "en", "value": "A buffer overread caused by casting a negative integer to CARD32 in\u00a0XvQueryImageAttributes in X.Org X Server before 21.1.26 and xwayland before 24.1.15 could be used to causes crashes by authenticated X clients.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A buffer overread caused by casting a negative integer to CARD32 in&nbsp;<span>XvQueryImageAttributes in X.Org X Server before 21.1.26 and xwayland before 24.1.15 could be used to causes crashes by authenticated X clients.</span>"}]}], "references": [{"url": "https://gitlab.freedesktop.org/xorg/xserver/-/commit/a11d070e4ea78c6c97a7e88c57277d766cd9050b", "tags": ["patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}], "credits": [{"lang": "en", "value": "Tristan Madani <TristanInSec@gmail.com>", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageName": "xwayland", "product": "xwayland", "repo": "https://gitlab.freedesktop.org/xorg/xserver/", "vendor": "X.Org", "versions": [{"lessThan": "24.1.15", "status": "affected", "version": "0", "versionType": "rpm"}]}, {"defaultStatus": "unaffected", "packageName": "xorg-x11-server", "product": "xorg-x11-server", "repo": "https://gitlab.freedesktop.org/xorg/xserver/", "vendor": "X.Org", "versions": [{"lessThan": "21.1.26", "status": "affected", "version": "0", "versionType": "rpm"}]}], "source": "meissner@suse.de"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A buffer overread caused by casting a negative integer to CARD32 in\u00a0XvQueryImageAttributes in X.Org X Server before 21.1.26 and xwayland before 24.1.15 could be used to causes crashes by authenticated X clients."}], "id": "CVE-2026-109903", "lastModified": "2026-11-13T11:17:15.377", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "meissner@suse.de", "type": "Secondary"}]}, "published": "2026-11-13T11:17:14.167", "references": [{"source": "meissner@suse.de", "url": "https://gitlab.freedesktop.org/xorg/xserver/-/commit/a11d070e4ea78c6c97a7e88c57277d766cd9050b"}], "sourceIdentifier": "meissner@suse.de", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-191"}], "source": "meissner@suse.de", "type": "Primary"}]}

{}

{}