This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2018-15862 →

DEBIAN-CVE-2018-15862

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 dere...

Original description

The description as published by the source.

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.

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"}]}]

References

advisory security-tracker.debian.org