This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2018-15861 →
DEBIAN-CVE-2018-15861
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 der...
Original description
The description as published by the source.
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.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
libxkbcommon
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.2-1"}]}]
Debian:13
libxkbcommon
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.2-1"}]}]
Debian:14
libxkbcommon
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.2-1"}]}]
Debian:12
x11-xkb-utils
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:13
x11-xkb-utils
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:14
x11-xkb-utils
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
References
- advisory security-tracker.debian.org