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 attackers to cause a denial of service during parsing of crafted keymap files...

CVE-2018-15863

Unchecked NULL pointer usage in ResolveStateAndPredicate in xkbcomp/compat.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 a no-op modmask expression...

CVE-2018-15862

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...

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 users by supplying a crafted keymap file that triggers boolean negation...

CVE-2018-15861

Unchecked NULL pointer usage 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 that triggers an xkbinternatom failure...

UBUNTU-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 supplying a crafted keymap file, because the XkbFile for an xkbgeometry section was mishandled...

UBUNTU-CVE-2018-15862

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...

PT-2018-13243 · Xkbcommon +5 · Xkbcommon +6

Name of the Vulnerable Software and Affected Versions: xkbcommon versions prior to 0.8.1 libxkbcommon versions prior to 0.8.1 Description: A local attacker could crash xkbcommon users by supplying a crafted keymap file that triggers boolean negation, due to an endless recursion in xkbcomp/expr.c...

PT-2018-13251 · Xkbcommon +5 · Xkbcommon +5

Name of the Vulnerable Software and Affected Versions: xkbcommon versions prior to 0.8.2 Description: The issue is related to unchecked NULL pointer usage in the LookupModMask function in xkbcomp/expr.c. This could be exploited by local attackers to crash the xkbcommon parser by supplying a craft...