CVE-2018-15857

Description

An invalid free in ExprAppendMultiKeysymList in xkbcomp/ast-build.c in xkbcommon before 0.8.1 could be used by local attackers to crash xkbcommon keymap parsers or possibly have unspecified other impact by supplying a crafted keymap file.

References

https://usn.ubuntu.com/3786-2/

https://usn.ubuntu.com/3786-1/

https://security.gentoo.org/glsa/201810-05

https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html

https://github.com/xkbcommon/libxkbcommon/commit/c1e5ac16e77a21f87bdf3bc4dea61b037a17dddb

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

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3