๐Ÿ” CVE Alert

CVE-2026-93543

HIGH 7.4

Out-of-bounds read in libXi's XI2 class parser

CVSS Score
7.4
EPSS Score
0.0%
EPSS Percentile
0th

An out-of-bounds read in libXi's XI2 class parser in libXi before 1.8.4 could be used by malicious X servers to crash an attached X client.

CWE CWE-125
Vendor x.org
Product libxi
Published Sep 24, 2026
Last Updated Sep 24, 2026
Stay Ahead of the Next One

Get instant alerts for x.org libxi

Be the first to know when new high vulnerabilities affecting x.org libxi are published โ€” delivered to Slack, Telegram or Discord.

Get Free Alerts โ†’ Free ยท No credit card ยท 60 sec setup

CVSS v3 Breakdown

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

Affected Versions

x.org / libXi
0 < 1.8.4

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
gitlab.freedesktop.org: https://gitlab.freedesktop.org/xorg/lib/libxi/-/merge_requests/23/diffs?commit_id=e2089ab748828273f916bbffd4e65b506aa50fdc

Credits

AISLE in partnership with Red Hat