CVE-2018-15856

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 5.5/10CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-835

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://access.redhat.com/errata/RHSA-2019:2079
https://github.com/xkbcommon/libxkbcommon/commit/842e4351c2c97de6051cab6ce36b4a81e709a0e1Patch, Third Party Advisory
https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.htmlMailing List, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201810-05Third Party Advisory
https://usn.ubuntu.com/3786-1/Third Party Advisory
https://usn.ubuntu.com/3786-2/Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2079
https://github.com/xkbcommon/libxkbcommon/commit/842e4351c2c97de6051cab6ce36b4a81e709a0e1Patch, Third Party Advisory
https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.htmlMailing List, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201810-05Third Party Advisory
https://usn.ubuntu.com/3786-1/Third Party Advisory
https://usn.ubuntu.com/3786-2/Third Party Advisory

Timeline

Published: Aug 25, 2018
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2018

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