Xkbcommon Libxkbcommon vulnerabilities

• xkbcommon, canonical ubuntu linux, xkbcommon libxkbcommon +2 more Unchecked NULL pointer usage in resolve_keysym in xkbcomp/parser.y in xkbcommon before 0.8.2... CVE-2018-15864 Fix available 5.5 MediumAugust 25, 2018
• xkbcommon, canonical ubuntu linux, xkbcommon libxkbcommon +2 more Unchecked NULL pointer usage in ResolveStateAndPredicate in xkbcomp/compat.c in xkbcommon before... CVE-2018-15863 Fix available 5.5 MediumAugust 25, 2018
• xkbcommon, canonical ubuntu linux, xkbcommon libxkbcommon +2 more Unchecked NULL pointer usage in LookupModMask in xkbcomp/expr.c in xkbcommon before 0.8.2 could... CVE-2018-15862 Fix available 5.5 MediumAugust 25, 2018
• xkbcommon, canonical ubuntu linux, xkbcommon libxkbcommon +2 more Unchecked NULL pointer usage in ExprResolveLhs in xkbcomp/expr.c in xkbcommon before 0.8.2 could... CVE-2018-15861 Fix available 5.5 MediumAugust 25, 2018
• xkbcommon, canonical ubuntu linux, xkbcommon libxkbcommon +2 more Unchecked NULL pointer usage when parsing invalid atoms in ExprResolveLhs in xkbcomp/expr.c in... CVE-2018-15859 Fix available 5.5 MediumAugust 25, 2018
• xkbcommon, canonical ubuntu linux, xkbcommon libxkbcommon +2 more Unchecked NULL pointer usage when handling invalid aliases in CopyKeyAliasesToKeymap in xkbcomp... CVE-2018-15858 Fix available 5.5 MediumAugust 25, 2018
• xkbcommon, canonical ubuntu linux, xkbcommon libxkbcommon +2 more An invalid free in ExprAppendMultiKeysymList in xkbcomp/ast-build.c in xkbcommon before 0.8.1... CVE-2018-15857 Fix available 7.8 HighAugust 25, 2018
• xkbcommon libxkbcommon, xkbcommon, canonical ubuntu linux +2 more Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which... CVE-2018-15853 Fix available 5.5 MediumAugust 25, 2018