CVE-2026-93523

{"id": "CVE-2026-93523", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "meissner@suse.de", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "meissner@suse.de", "affectedData": [{"repo": "https://gitlab.freedesktop.org/xorg/xserver", "vendor": "x.org", "product": "xorg-x11-server", "versions": [{"status": "affected", "version": "0", "lessThan": "21.1.25", "versionType": "rpm"}], "packageName": "xorg-x11-server", "defaultStatus": "unaffected"}, {"repo": "https://gitlab.freedesktop.org/xorg/xserver", "vendor": "x.org", "product": "xwayland", "versions": [{"status": "affected", "version": "0", "lessThan": "24.1.14", "versionType": "rpm"}], "packageName": "xwayland", "defaultStatus": "unaffected"}]}], "published": "2026-10-28T17:18:53.220", "references": [{"url": "https://gitlab.freedesktop.org/xorg/xserver/-/commit/37a1847a60c6799aecf163a5cfa40077a9002675", "source": "meissner@suse.de"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Primary", "source": "meissner@suse.de", "description": [{"lang": "en", "value": "CWE-122"}]}], "descriptions": [{"lang": "en", "value": "A heap buffer overflow caused by a XIPassiveUngrabDevice request with an out-of-range modifier value in X.Org X Server before 21.1.15 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context."}], "lastModified": "2026-10-29T15:04:37.187", "sourceIdentifier": "meissner@suse.de"}