CVE-2018-15862

Description

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.

References

https://access.redhat.com/errata/RHSA-2019:2079

https://github.com/xkbcommon/libxkbcommon/commit/4e2ee9c3f6050d773f8bbe05bc0edb17f1ff8371

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/

Details

Risk Information

CVSS v2

CVSS v3