Resource Exhaustion Affecting libxkbcommon package, versions <0.8.2-1


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.54% (45th percentile)

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  • Snyk IDSNYK-DEBIAN14-LIBXKBCOMMON-11749898
  • published10 Aug 2025
  • disclosed25 Aug 2018

Introduced: 25 Aug 2018

CVE-2018-15853  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Debian:14 libxkbcommon to version 0.8.2-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxkbcommon package and not the libxkbcommon package as distributed by Debian. See How to fix? for Debian:14 relevant fixed versions and status.

Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to crash xkbcommon users by supplying a crafted keymap file that triggers boolean negation.

CVSS Base Scores

version 3.1