CVE-2026-109096

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-109096", "assignerOrgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb", "state": "PUBLISHED", "assignerShortName": "suse", "dateReserved": "2026-10-12T06:41:23.778Z", "datePublished": "2026-11-13T13:23:13.658Z", "dateUpdated": "2026-11-13T13:23:13.658Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb", "shortName": "suse", "dateUpdated": "2026-11-13T13:23:13.658Z"}, "title": "X.Org Server XvPutImage Negative Image Size Length Bypass", "datePublic": "2026-11-13T10:50:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-805", "description": "CWE-805 Buffer access with incorrect length value", "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": "Incorrect handling of negative returns from\u00a0ddQueryImageAttributes() when processing XvPutImage requests in X.Org xwayland before 24.1.15 and X Server before 21.1.26 could be used by authenticated X clients to crash the X server.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Incorrect handling of negative returns from&nbsp;<span>ddQueryImageAttributes() when processing </span><span>XvPutImage requests in X.Org xwayland before 24.1.15 and X Server before 21.1.26 could be used by authenticated X clients to crash the X server.</span>"}]}], "references": [{"url": "https://gitlab.freedesktop.org/xorg/xserver/-/commit/1376ac1f0edad6bd44dc6db3b4e49370a60d8e2f", "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": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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": "Incorrect handling of negative returns from\u00a0ddQueryImageAttributes() when processing XvPutImage requests in X.Org xwayland before 24.1.15 and X Server before 21.1.26 could be used by authenticated X clients to crash the X server."}], "id": "CVE-2026-109096", "lastModified": "2026-11-13T14:17:47.500", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "meissner@suse.de", "type": "Secondary"}]}, "published": "2026-11-13T14:17:47.403", "references": [{"source": "meissner@suse.de", "url": "https://gitlab.freedesktop.org/xorg/xserver/-/commit/1376ac1f0edad6bd44dc6db3b4e49370a60d8e2f"}], "sourceIdentifier": "meissner@suse.de", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-805"}], "source": "meissner@suse.de", "type": "Primary"}]}

{}

{}