PublicDateAtUSN: 2018-08-24
Candidate: CVE-2018-14598
PublicDate: 2018-08-24 19:29:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14598
 https://ubuntu.com/security/notices/USN-3758-2
 https://ubuntu.com/security/notices/USN-3758-1
Description:
 An issue was discovered in XListExtensions in ListExt.c in libX11 through
 1.6.5. A malicious server can send a reply in which the first string
 overflows, causing a variable to be set to NULL that will be freed later
 on, leading to DoS (segmentation fault).
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:N/I:N/A:H [7.5 HIGH]


Patches_libx11:
 other: https://gitlab.freedesktop.org/xorg/lib/libx11/commit/e83722768fd5c467ef61fa159e8c6278770b45c2
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)