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CVE-2018-15857

Status Candidate

Overview

An invalid free in ExprAppendMultiKeysymList in xkbcomp/ast-build.c in xkbcommon before 0.8.1 could be used by local attackers to crash xkbcommon keymap parsers or possibly have unspecified other impact by supplying a crafted keymap file.

Related Files

Red Hat Security Advisory 2019-2079-01
Posted Aug 6, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2079-01 - X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. Issues addressed include null pointer and out of bounds write vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2018-14598, CVE-2018-14599, CVE-2018-14600, CVE-2018-15853, CVE-2018-15854, CVE-2018-15855, CVE-2018-15856, CVE-2018-15857, CVE-2018-15859, CVE-2018-15861, CVE-2018-15862, CVE-2018-15863, CVE-2018-15864
SHA-256 | 1e3540f3b829a4b374b714d648bc38f48df15c8b20a40367978ee8151354f3f4
Ubuntu Security Notice USN-3786-2
Posted Nov 6, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3786-2 - USN-3786-1 fixed several vulnerabilities in libxkbcommon. This update provides the corresponding update for Ubuntu 18.04 LTS. It was discovered that libxkbcommon incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-15853, CVE-2018-15857, CVE-2018-15862
SHA-256 | c9f93a0f0c6e71f2c9acb5fee198c495a079086e7bd69efb91fd46483f004b52
Gentoo Linux Security Advisory 201810-05
Posted Oct 31, 2018
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201810-5 - Multiple vulnerabilities have been found in xkbcommon, the worst of which may lead to a Denial of Service condition. Versions less than 0.8.2 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2018-15853, CVE-2018-15854, CVE-2018-15855, CVE-2018-15856, CVE-2018-15857, CVE-2018-15858, CVE-2018-15859, CVE-2018-15861, CVE-2018-15862, CVE-2018-15863, CVE-2018-15864
SHA-256 | f9d85114d1147ed6edc904330bea9febb870e695abc59a1365b5ea046c6fb0a4
Ubuntu Security Notice USN-3786-1
Posted Oct 8, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3786-1 - It was discovered that libxkbcommon incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2018-15853, CVE-2018-15857, CVE-2018-15858, CVE-2018-15862, CVE-2018-15863
SHA-256 | e5c11ec082c06adbab0b693f55dda0ae528422c4a0ba303eb697f9e2dac46b87
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