Out-of-Bounds Read in libXi Affects X Clients
CVE-2026-94282

5.6MEDIUM

Key Information:

Vendor

X.org

Status
Libxi
Vendor
CVE Published:
28 September 2026

What is CVE-2026-94282?

An out-of-bounds read vulnerability in the libXi library allows an unprivileged malicious X server to exploit cookie conversion methods related to XI2 enter, leave, or focus events. This can lead to an unexpected crash of any attached X client applications, affecting system stability and security.

Affected Version(s)

libXi 0 < 1.8.4

References

https://gitlab.freedesktop.org/xorg/lib/libxi/-/merge_req...
patch

CVSS V3.1

Score:
5.6
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

AISLE in partnership with Red Hat
.