CVE-2018-15863

Name
CVE-2018-15863
Description
Unchecked NULL pointer usage in ResolveStateAndPredicate in xkbcomp/compat.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 a no-op modmask expression.
NVD Severity
medium
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Mailing List https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html
Patch https://github.com/xkbcommon/libxkbcommon/commit/96df3106d49438e442510c59acad306e94f3db4d
Third Party Advisory https://usn.ubuntu.com/3786-1/
Third Party Advisory https://security.gentoo.org/glsa/201810-05
Third Party Advisory https://usn.ubuntu.com/3786-2/
REDHAT https://access.redhat.com/errata/RHSA-2019:2079

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:xkbcommon:xkbcommon:*:*:*:*:*:*:*:* xkbcommon >= None <= 0.8.1
cpe:2.3:a:xkbcommon:libxkbcommon:*:*:*:*:*:*:*:* libxkbcommon >= None <= 0.8.1

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
xkbcomp edge-main 1.5.0-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
xkbcomp 3.23-main 1.5.0-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
xkbcomp 3.22-main 1.5.0-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
xkbcomp 3.21-main 1.5.0-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
xkbcomp 3.20-main 1.5.0-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
xkbcomp 3.19-main 1.5.0-r0 Natanael Copa <ncopa@alpinelinux.org> fixed