PT-2018-13247 · Xkbcommon+5 · Xkbcommon+5

Published 2018-08-09 · Updated 2024-01-05 · CVE-2018-15857

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description The issue is related to an invalid free in ExprAppendMultiKeysymList in xkbcomp/ast-build.c. This could be exploited by local attackers to crash xkbcommon keymap parsers or possibly have other unspecified impacts by supplying a crafted keymap file.

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

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2018-2114

CESA-2019_2079

CVE-2018-15857

MGASA-2018-0369

OPENSUSE-SU-2018_3802-1

RHSA-2019:2079

RHSA-2019_2079

SUSE-SU-2018:3685-1

SUSE-SU-2024:0037-1

USN-3786-1

USN-3786-2

Affected Products

Alt Linux

Centos

Red Hat

Suse

Ubuntu

Xkbcommon

References · 48

• https://github.com/xkbcommon/libxkbcommon/commit/c1e5ac16e77a21f87bdf3bc4dea61b037a17dddb · Patch
• https://osv.dev/vulnerability/SUSE-SU-2024:0037-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-15857 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-15857 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-15857 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2018-0369 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-15862 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-15858 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2019-2079.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-15853 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3786-2 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-15857 · Vendor Advisory
• https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html · Patch
• https://security.gentoo.org/glsa/201810-05 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:3685-1 · Vendor Advisory