CVE-2018-15864 (NVD)

2018-08-25

Unchecked NULL pointer usage in resolve_keysym in xkbcomp/parser.y 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, because a map access attempt can occur for a map that was never created.

Products Ubuntu_linux, Libxkbcommon, Xkbcommon
Type NULL Pointer Dereference (CWE-476)
First patch https://github.com/xkbcommon/libxkbcommon/commit/a8ea7a1d3daa7bdcb877615ae0a252c189153bd2
Relevant file/s ./src/xkbcomp/parser.y (modified, +3, -2)
Links • https://usn.ubuntu.com/3786-1/
• https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html
• https://usn.ubuntu.com/3786-2/
• https://security.gentoo.org/glsa/201810-05
• https://access.redhat.com/errata/RHSA-2019:2079

libxkbcommon - Tree: a8ea7a1d3d

(? files)

Filter Settings
Files
Navigation
Patch data:

(on by default)

Patched area: