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LIN9-7398 : Security Advisory - libxkbcommon - CVE-2018-15862

Created: Aug 31, 2018    Updated: Dec 3, 2018
Resolved Date: Sep 19, 2018
Found In Version: 9.0.0.17
Fix Version: 9.0.0.18
Severity: Standard
Applicable for: Wind River Linux 9
Component/s: Userspace

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.

https://nvd.nist.gov/vuln/detail/CVE-2018-15862

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