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This project will be discontinued after December 13, 2021. [more]
2018-08-25
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.
Products | Ubuntu_linux, Libxkbcommon, Xkbcommon |
Type | NULL Pointer Dereference (CWE-476) |
First patch |
https://github.com/xkbcommon/libxkbcommon/commit/96df3106d49438e442510c59acad306e94f3db4d |
Relevant file/s | ./src/xkbcomp/compat.c (modified, +2, -1) |
Links |
• https://usn.ubuntu.com/3786-1/
• https://security.gentoo.org/glsa/201810-05 • https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html • https://usn.ubuntu.com/3786-2/ • https://access.redhat.com/errata/RHSA-2019:2079 |
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