CVEvulnerability

CVE-2018-15862

5.5 MEDIUM Published 2018-08-25 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-08-25
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-476

Description

Unchecked NULL pointer usage in LookupModMask 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 with invalid virtual modifiers.

Affected configurations

• xkbcommon libxkbcommon (<= 0.8.1) • xkbcommon xkbcommon (<= 0.8.1) • canonical ubuntu linux 14.04 • canonical ubuntu linux 16.04 • canonical ubuntu linux 18.04

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References