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.
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Xkbcommon | Xkbcommon | * | 0.8.1 |
Libxkbcommon | Xkbcommon | * | 0.8.1 |