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CVE-2018-15859

CVE-2018-15859

EPSS 0.5%
Unchecked NULL pointer usage when parsing invalid atoms 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, because lookup failures are mishandled.
Affected products
n/a · n/a

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References
https://access.redhat.com/errata/RHSA-2019:2079https://github.com/xkbcommon/libxkbcommon/commit/bb4909d2d8fa6b08155e449986a478101e2b2634https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.htmlhttps://security.gentoo.org/glsa/201810-05https://usn.ubuntu.com/3786-1/https://usn.ubuntu.com/3786-2/