Vulnerability DatabaseCVE-2026-109089
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CVE-2026-109089
Published:October 27, 2026
Updated:October 28, 2026
A buffer overflow when handling DEVICE_RESOLUTION in libXi before 1.8.4 could overflow a heap, triggered by a malicious X server.
Affected Packages
xorg-libxi (CONDA):
Affected version(s) >=1.7.8 <1.8.4
Fix Suggestion:
Update to version 1.8.4
https://gitlab.freedesktop.org/xorg/lib/libxi.git (SCM_GIT):
Affected version(s) >=libXi-1.0.2 <libXi-1.8.4
Fix Suggestion:
Update to version libXi-1.8.4
Related Resources (2)
https://nvd.nist.gov/vuln/detail/CVE-2026-109089
https://gitlab.freedesktop.org/xorg/lib/libxi/-/commit/f7836d0a0
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CVSS v4
Base Score:
7.7
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Heap-based Buffer Overflow
CWE-122