๐Ÿ” CVE Alert

CVE-2026-94286

HIGH 7.1

Out-of-bounds read in libXtst's RECORD reply parser

CVSS Score
7.1
EPSS Score
0.0%
EPSS Percentile
0th

An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be used by malicious X servers to crash attached X clients.

CWE CWE-126
Vendor x.org
Product libxtst
Published Sep 28, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High

Affected Versions

x.org / libXtst
0 < 1.2.6

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
gitlab.freedesktop.org: https://gitlab.freedesktop.org/xorg/lib/libxtst/-/merge_requests/10/diffs?commit_id=16023c86070e6af9407330deea3938fcef75815b

Credits

AISLE in partnership with Red Hat