CVE-2026-109089

libXi XGetDeviceControl Control Type Mismatch Heap Buffer Overflow

State
Published
Severity
7.5 High
Published
Oct 27, 2026
Updated
Oct 27, 2026
Reserved
Oct 12, 2026

Read the record on cve.org

Description

A buffer overflow when handling DEVICE_RESOLUTION in libXi before 1.8.4 could overflow a heap, triggered by a malicious X server.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsuse

Weaknesses

Affected Products

ProductVersions
libXiX.Org
  • before 1.8.4Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.