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7.5 High

CVE-2026-109089 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.

CVSS 3.1 detail

Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitable remotely over the network, without an account and if a user takes an action; an attacker can seriously compromise confidentiality, integrity or availability.

Attack vector
Network
Attack complexity
High
Privileges required
None
Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected products and versions

Product Affected versions Fixed in
libXi 1.8 earliest → < 1.8.4 1.8.4

References

Timeline

  1. Published
  2. Last modified
The 9 CVEs of libXi →
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