VDB
ALPINE-CVE-2018-15861
ALPINE-CVE-2018-15861
PUBLISHED
CVSS 5.5 MEDIUM
Unchecked NULL pointer usage 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 that triggers an xkb_intern_atom failure.
Risk Scores
CVSS v3.0
5.5
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.21 | xkbcomp | 1.4.7-r0, 0, 1.0.5-r0 |
| Alpine:v3.23 | xkbcomp | 1.4.7-r0, 1.4.6-r1, 1.4.6-r0 |
| Alpine:v3.20 | xkbcomp | 1.0.5-r0, 1.4.7-r0, 1.4.6-r1 |
| Alpine:v3.18 | xkbcomp | 1.4.7-r0, 1.4.6-r1, 1.4.6-r0 |
| Alpine:v3.19 | xkbcomp | 1.4.7-r0, 0, 1.0.5-r0 |
| Alpine:v3.22 | xkbcomp | 0, 1.4.7-r0, 1.4.6-r1 |
Timeline
- Aug 25, 2018 CVE Published
- Dec 5, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch