{"id":"CVE-2026-109089","aliases":[],"title":"libXi XGetDeviceControl Control Type Mismatch Heap Buffer Overflow","description":"A buffer overflow when handling DEVICE_RESOLUTION in libXi before 1.8.4 could overflow a heap, triggered by a malicious X server.","severity":"high","score":7.5,"published":"2026-10-27T16:05:56.113Z","modified":"2026-10-27T16:05:56.113Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://gitlab.freedesktop.org/xorg/lib/libxi/-/commit/f7836d0a0"],"sources":[{"name":"CVE","id":"CVE-2026-109089","modified":"2026-10-27T16:05:56.113Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-109089"}],"assessments":[{"source":"CNA","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.5}]}