CVE-2026-93518

X.Org Server XKB ResizeKeyType Numeric Truncation

State
Published
Severity
7.8 High
Published
Oct 28, 2026
Updated
Oct 28, 2026
Reserved
Sep 18, 2026

Read the record on cve.org

Description

An integer truncation issue in XkbResizeKeyType() that could lead to a heap buffer overflow by authenticated X clients in X.org X server before 21.1.25 and XWayland before 24.1.14 could be exploited for crashes or potential code execution in the X server.

Scores

CVSSScoreVectorSource
3.17.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsuse

Weaknesses

Affected Products

ProductVersions
xorg-x11-serverx.org
  • before 21.1.25Affected
xwaylandx.org
  • before 24.1.14Affected

References

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