Bug 2540477 (CVE-2026-93542) - CVE-2026-93542 libXi: libXi: Denial of Service via out-of-bounds read during XI2 class parsing
Summary: CVE-2026-93542 libXi: libXi: Denial of Service via out-of-bounds read during ...
Keywords:
Status: NEW
Alias: CVE-2026-93542
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2540633
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-24 16:58 UTC by OSIDB Bzimport
Modified: 2026-09-24 18:00 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
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Last Closed:
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Description OSIDB Bzimport 2026-09-24 16:58:44 UTC 
An out-of-bounds read in libXi's XI2 class parsing via size_classes() and copy_classes() in libXi before 1.8.4 could be used by malicous servers to crash the X client.
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