Resource Exhaustion Affecting libxkbcommon package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN9-LIBXKBCOMMON-263444
- published25 Sept 2018
- disclosed25 Aug 2018
Introduced: 25 Aug 2018
CVE-2018-15853 (opens in a new tab)How to fix?
There is no fixed version for Debian:9 libxkbcommon.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libxkbcommon package and not the libxkbcommon package as distributed by Debian.
See How to fix? for Debian:9 relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2018-15853
- https://security.gentoo.org/glsa/201810-05
- https://github.com/xkbcommon/libxkbcommon/commit/1f9d1248c07cda8aaff762429c0dce146de8632a
- https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html
- https://access.redhat.com/errata/RHSA-2019:2079
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-15853
- https://usn.ubuntu.com/3786-1/
- https://usn.ubuntu.com/3786-2/