CVE-2018-15853

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CVSS 3.0

5.5 medium

EPSS

<1%p44

Published

Aug 25, 2018 (Aug 25, 2018)

Modified

Jun 17, 2026

Description

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.

Vendors: xkbcommon canonical
Products: libxkbcommon, xkbcommon, ubuntu linux
Weakness: CWE-400
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.5%)

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