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CVE-2020-14363

Status Candidate

Overview

An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as system availability.

Related Files

Red Hat Security Advisory 2021-1804-01
Posted May 19, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1804-01 - 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. Mesa provides a 3D graphics API that is compatible with Open Graphics Library. It also provides hardware-accelerated drivers for many popular graphics chips. Issues addressed include buffer overflow, double free, heap overflow, integer overflow, out of bounds access, and privilege escalation vulnerabilities.

tags | advisory, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2020-14344, CVE-2020-14345, CVE-2020-14346, CVE-2020-14347, CVE-2020-14360, CVE-2020-14361, CVE-2020-14362, CVE-2020-14363, CVE-2020-25712
SHA-256 | a0eb31ee60b869926b5920d6d4ca80b41a0a61a26873ffc06058a362c0cef600
Red Hat Security Advisory 2020-5118-01
Posted Nov 24, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5118-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2019-20811, CVE-2019-20907, CVE-2020-14331, CVE-2020-14363, CVE-2020-14422, CVE-2020-15586, CVE-2020-15999, CVE-2020-16845, CVE-2020-25637, CVE-2020-8177, CVE-2020-8622, CVE-2020-8623, CVE-2020-8624
SHA-256 | 252e1d15a3567abb864679496c50326cc1b87ae1d07f0f4efc9f8758ab859038
Red Hat Security Advisory 2020-4946-01
Posted Nov 5, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4946-01 - The libX11 packages contain the core X11 protocol client library. Issues addressed include double free and integer overflow vulnerabilities.

tags | advisory, overflow, vulnerability, protocol
systems | linux, redhat
advisories | CVE-2020-14363
SHA-256 | fbfe013d99430ab77450101b23efc39c5a7e7a0d9d1d6026efaf055f9ecc8fd5
Red Hat Security Advisory 2020-4908-01
Posted Nov 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4908-01 - The libX11 packages contain the core X11 protocol client library. Issues addressed include double free and integer overflow vulnerabilities.

tags | advisory, overflow, vulnerability, protocol
systems | linux, redhat
advisories | CVE-2020-14363
SHA-256 | a07ea677a12ae4795c230ee171d84093df703cf81e3ae06996ab422b74db75d9
Ubuntu Security Notice USN-4487-2
Posted Sep 8, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4487-2 - USN-4487-1 fixed several vulnerabilities in libx11. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM. Todd Carson discovered that libx11 incorrectly handled certain memory operations. A local attacker could possibly use this issue to escalate privileges. Various other issues were also addressed.

tags | advisory, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2020-14344, CVE-2020-14363
SHA-256 | 168de6724b6de0d42f9ac0533e6a9001fabef77f53c486c7697efabcf3510931
Ubuntu Security Notice USN-4487-1
Posted Sep 2, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4487-1 - Todd Carson discovered that libx11 incorrectly handled certain memory operations. A local attacker could possibly use this issue to escalate privileges. Jayden Rivers discovered that libx11 incorrectly handled locales. A local attacker could possibly use this issue to escalate privileges.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2020-14344, CVE-2020-14363
SHA-256 | ed9063e4b3c1fca6e984c1c7ab040083e6748d419d186ee7a3a3b6e2ac48ab97
Gentoo Linux Security Advisory 202008-18
Posted Aug 28, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202008-18 - Multiple vulnerabilities have been found in X.org X11 library, the worst of which could result in the arbitrary execution of code. Versions less than 1.6.12 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2020-14344, CVE-2020-14363
SHA-256 | e3dcf0ff66dcf77049ea1208252a28831ead0b0d320e99ef1dd9274d980b25a0
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