CVE-2018-15859

—

CVSS 3.0

5.5 medium

EPSS

<1%p44

Published

Aug 25, 2018 (Aug 25, 2018)

Modified

Jun 17, 2026

Description

Unchecked NULL pointer usage when parsing invalid atoms in ExprResolveLhs in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because lookup failures are mishandled.

Vendors: xkbcommon canonical
Products: libxkbcommon, xkbcommon, ubuntu linux
Weakness: CWE-476
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%)

In the news0 stories

No ingested article mentions this CVE yet.