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CVE-2020-14346

Published: 26 August 2020

A flaw was found in xorg-x11-server before 1.20.9. An integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Priority

Medium

CVSS 3 base score: 7.8

Status

Package Release Status
xorg
Launchpad, Ubuntu, Debian
Upstream Not vulnerable

Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(code not present)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(code not present)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(code not present)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

xorg-hwe-16.04
Launchpad, Ubuntu, Debian
Upstream Not vulnerable

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(code not present)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

xorg-server
Launchpad, Ubuntu, Debian
Upstream
Released (1.20.9)
Ubuntu 20.04 LTS (Focal Fossa)
Released (2:1.20.8-2ubuntu2.3)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (2:1.19.6-1ubuntu4.5)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (2:1.18.4-0ubuntu0.9)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (2:1.15.1-0ubuntu2.11+esm2)
Patches:
Upstream: https://gitlab.freedesktop.org/xorg/xserver/-/commit/c940cc8b6c0a2983c1ec974f1b3f019795dd4cff
xorg-server-hwe-16.04
Launchpad, Ubuntu, Debian
Upstream
Released (1.20.9)
Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus)
Released (2:1.19.6-1ubuntu4.1~16.04.3)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

xorg-server-hwe-18.04
Launchpad, Ubuntu, Debian
Upstream
Released (1.20.9)
Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver)
Released (2:1.20.8-2ubuntu2.2~18.04.2)
Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

xorg-server-lts-utopic
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

xorg-server-lts-vivid
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

xorg-server-lts-wily
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

xorg-server-lts-xenial
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist