PT-2018-13246 · Xkbcommon+4 · Xkbcommon+4

Published 2018-08-25 · Updated 2024-01-05 · CVE-2018-15856

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions xkbcommon versions prior to 0.8.1

Description The issue is related to an infinite loop that occurs when the End Of Line (EOL) is reached unexpectedly in the keymap parser, located in compose/parser.c. This could be exploited by local attackers to cause a denial of service during the parsing of crafted keymap files.

Recommendations For versions prior to 0.8.1, update to version 0.8.1 or later to resolve the issue.

Fix

DoS

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

CESA-2019_2079

CVE-2018-15856

MGASA-2018-0369

OPENSUSE-SU-2018_3802-1

OPENSUSE-SU-2024:11014-1

RHSA-2019:2079

RHSA-2019_2079

SUSE-SU-2018:3685-1

SUSE-SU-2024:0037-1

USN-3786-1

USN-3786-2

Affected Products

Centos

Red Hat

Suse

Ubuntu

Xkbcommon

References · 48

• https://github.com/xkbcommon/libxkbcommon/commit/842e4351c2c97de6051cab6ce36b4a81e709a0e1 · Patch
• https://osv.dev/vulnerability/CVE-2018-15856 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-15856 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-15857 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-15856 · Vendor Advisory
• https://security.gentoo.org/glsa/201810-05 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-15859 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2019-2079.html · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-15856 · Security Note
• https://ubuntu.com/security/CVE-2018-15861 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2018-0369 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-15856 · Vendor Advisory
• https://usn.ubuntu.com/3786-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-15856 · Security Note
• https://ubuntu.com/security/CVE-2018-15856 · Vendor Advisory