CVE-2018-15862

Priority
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.
Package
Upstream:released (0.8.2-1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):released (0.4.1-0ubuntu1.1)
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/4e2ee9c3f6050d773f8bbe05bc0edb17f1ff8371
More Information

Updated: 2018-11-06 18:14:51 UTC (commit 00bb3cf4242cd150f73a26a280f05434116f7101)