libxkbcommon0: Unchecked NULL pointer usage when handling invalid aliases in CopyKeyAliasesToKeymap in xkbcomp/keycodes.c in xkbcomm...
CVE-2018-15858 is fixed in 2 products on 1 platform, first by libxkbcommon-x11-0 0.8.0-1ubuntu0.1, released August 24, 2018. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libxkbcommon-x11-0 · Ubuntu 18.04.6 LTS (bionic) | 0.8.0-1ubuntu0.1 | libxkbcommon-x11-0 0.8.0-1ubuntu0.1 | Aug 24, 2018 |
| libxkbcommon0 · Ubuntu 18.04.6 LTS (bionic) | 0.8.0-1ubuntu0.1 | libxkbcommon0 0.8.0-1ubuntu0.1 | Aug 24, 2018 |
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