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Bugs fixes in "libxkbcommon"

Origin Bug number Title Date fixed
CVE CVE-2018-15856 An infinite loop when reaching EOL unexpectedly in compose/parser.c (aka the keymap parser) in xkbcommon before 0.8.1 could be used by local attacker 2018-11-06
CVE CVE-2018-15855 Unchecked NULL pointer usage in xkbcommon before 0.8.1 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by s 2018-11-06
CVE CVE-2018-15854 Unchecked NULL pointer usage in xkbcommon before 0.8.1 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by s 2018-11-06
CVE CVE-2018-15853 Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to crash xkbcommon user 2018-11-06



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