CVE-2018-15864
Severity CVSS v4.0:
Pending analysis
Type:
CWE-476
NULL Pointer Dereference
Publication date:
25/08/2018
Last modified:
06/08/2019
Description
Unchecked NULL pointer usage in resolve_keysym in xkbcomp/parser.y 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 a map access attempt can occur for a map that was never created.
Impact
Base Score 3.x
5.50
Severity 3.x
MEDIUM
Base Score 2.0
2.10
Severity 2.0
LOW
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:xkbcommon:libxkbcommon:*:*:*:*:*:*:*:* | 0.8.1 (including) | |
| cpe:2.3:a:xkbcommon:xkbcommon:*:*:*:*:*:*:*:* | 0.8.1 (including) | |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | ||
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- https://access.redhat.com/errata/RHSA-2019:2079
- https://github.com/xkbcommon/libxkbcommon/commit/a8ea7a1d3daa7bdcb877615ae0a252c189153bd2
- https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html
- https://security.gentoo.org/glsa/201810-05
- https://usn.ubuntu.com/3786-1/
- https://usn.ubuntu.com/3786-2/



