PublicDateAtUSN: 2018-08-24
Candidate: CVE-2018-14600
PublicDate: 2018-08-24 19:29:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14600
 https://ubuntu.com/security/notices/USN-3758-2
 https://ubuntu.com/security/notices/USN-3758-1
Description:
 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.
Ubuntu-Description:
Notes:
Bugs:
 https://bugs.launchpad.net/ubuntu/+source/libx11/+bug/1788448
Priority: medium
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H [9.8 CRITICAL]


Patches_libx11:
 other: https://gitlab.freedesktop.org/xorg/lib/libx11/commit/dbf72805fd9d7b1846fe9a11b46f3994bfc27fea
upstream_libx11: released (1.6.6)
precise/esm_libx11: released (2:1.4.99.1-0ubuntu2.4)
trusty_libx11: released (2:1.6.2-1ubuntu2.1)
trusty/esm_libx11: released (2:1.6.2-1ubuntu2.1)
xenial_libx11: released (2:1.6.3-1ubuntu2.1)
esm-infra/xenial_libx11: released (2:1.6.3-1ubuntu2.1)
bionic_libx11: released (2:1.6.4-3ubuntu0.1)
devel_libx11: released (2:1.6.6-1)