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CVE-2018-14600

Published: 24 August 2018

An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c interprets a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution.

Priority

Medium

CVSS 3 base score: 9.8

Status

Package Release Status
libx11
Launchpad, Ubuntu, Debian
bionic
Released (2:1.6.4-3ubuntu0.1)
precise
Released (2:1.4.99.1-0ubuntu2.4)
trusty
Released (2:1.6.2-1ubuntu2.1)
upstream
Released (1.6.6)
xenial
Released (2:1.6.3-1ubuntu2.1)
Patches:
other: https://gitlab.freedesktop.org/xorg/lib/libx11/commit/dbf72805fd9d7b1846fe9a11b46f3994bfc27fea