CVE-2018-15858

Priority
Description
Unchecked NULL pointer usage when handling invalid aliases in
CopyKeyAliasesToKeymap in xkbcomp/keycodes.c in xkbcommon before 0.8.1
could be used by local attackers to crash (NULL pointer dereference) the
xkbcommon parser by supplying a crafted keymap file.
Notes
 leosilva> code in trusty is quite different.
 leosilva> portions of the code affected are not present so
 leosilva> changing to not-affected.
Package
Upstream:released (0.8.2-1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):not-affected
Ubuntu 16.04 LTS (Xenial Xerus):released (0.5.0-1ubuntu2.1)
Ubuntu 18.04 LTS (Bionic Beaver):released (0.8.0-1ubuntu0.1)
Ubuntu 18.10 (Cosmic Cuttlefish):not-affected (0.8.2-1)
Ubuntu 19.04 (Disco Dingo):not-affected (0.8.2-1)
Patches:
Vendor:https://github.com/xkbcommon/libxkbcommon/commit/badb428e63387140720f22486b3acbd3d738859f
More Information

Updated: 2018-11-06 18:14:50 UTC (commit 00bb3cf4242cd150f73a26a280f05434116f7101)