CVE-2018-15859

Priority
Description
Unchecked NULL pointer usage when parsing invalid atoms in ExprResolveLhs
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, because lookup failures are mishandled.
Notes
Package
Upstream:released (0.8.2-1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was 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)
Patches:
Vendor:https://github.com/xkbcommon/libxkbcommon/commit/bb4909d2d8fa6b08155e449986a478101e2b2634
More Information

Updated: 2020-01-29 20:02:20 UTC (commit 768ceb2fdee6790d707d0f681e1b54916744af1e)