{"id":"CVE-2026-109090","title":"libXi XGetDeviceControl DEVICE_ENABLE Heap Buffer Overflow","summary":"A malicious X server could cause a heap overflow by injecting a large DEVICE_ENABLE reply when processed by libXi before 1.8.4.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-122"],"vendor":"x.org","product":"libXi","affected":["libXi < 1.8.4"],"published":"2026-10-27","updated":"2026-10-27","sourceUpdated":"2026-10-27T16:32:56.867Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109090","references":[{"url":"https://gitlab.freedesktop.org/xorg/lib/libxi/-/commit/4eb9f70b6"}],"tags":["cve.org"],"ingestedAt":"2026-10-27T17:33:23.801Z","slug":"CVE-2026-109090","body":"## Overview\n\nA malicious X server could cause a heap overflow by injecting a large DEVICE_ENABLE reply when processed by libXi before 1.8.4.\n\n## Affected\n\n- `libXi < 1.8.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}