Out-of-Bounds Read Vulnerability in libXi Affecting X Clients
CVE-2026-94281

6.5MEDIUM

Key Information:

Vendor

X.org

Status
Libxi
Vendor
CVE Published:
24 September 2026

What is CVE-2026-94281?

An out-of-bounds read vulnerability has been identified in the libXi library, specifically within the XListInputDevices() class parsing. This flaw can be exploited by malicious X servers to elicit crashes in connected X clients, potentially disrupting operations. Addressing this vulnerability is crucial for maintaining the stability and security of interfaces relying on the libXi library.

Affected Version(s)

libXi 0 < 1.8.4

References

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

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

AISLE-Report-PSIRTSUPT-14718
.