CVE-2018-14600

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.openwall.com/lists/oss-security/2018/08/21/6Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/105177Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041543Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:2079
https://bugzilla.suse.com/show_bug.cgi?id=1102068Issue Tracking, Patch, Third Party Advisory
https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=dbf72805fd9d7b1846fe9a11b46f3994bfc27feaPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00030.htmlMailing List, Third Party Advisory
https://lists.x.org/archives/xorg-announce/2018-August/002916.htmlThird Party Advisory
https://security.gentoo.org/glsa/201811-01Third Party Advisory
https://usn.ubuntu.com/3758-1/Third Party Advisory
https://usn.ubuntu.com/3758-2/Third Party Advisory
http://www.openwall.com/lists/oss-security/2018/08/21/6Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/105177Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041543Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:2079
https://bugzilla.suse.com/show_bug.cgi?id=1102068Issue Tracking, Patch, Third Party Advisory
https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=dbf72805fd9d7b1846fe9a11b46f3994bfc27feaPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00030.htmlMailing List, Third Party Advisory
https://lists.x.org/archives/xorg-announce/2018-August/002916.htmlThird Party Advisory
https://security.gentoo.org/glsa/201811-01Third Party Advisory
https://usn.ubuntu.com/3758-1/Third Party Advisory
https://usn.ubuntu.com/3758-2/Third Party Advisory

Timeline

Published: Aug 24, 2018
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2018

CVE-2018-146017.5An issue was discovered in GitLab Community and Enterprise Edition 11.1.x before 11.1.2. A Denial of Service can occur because Markdown rend CVE-2018-146027.5An issue was discovered in GitLab Community and Enterprise Edition before 10.8.7, 11.0.x before 11.0.5, and 11.1.x before 11.1.2. Informatio CVE-2018-146038.8An issue was discovered in GitLab Community and Enterprise Edition before 10.8.7, 11.0.x before 11.0.5, and 11.1.x before 11.1.2. CSRF can o CVE-2018-146046.1An issue was discovered in GitLab Community and Enterprise Edition before 10.8.7, 11.0.x before 11.0.5, and 11.1.x before 11.1.2. XSS can oc CVE-2018-146055.4An issue was discovered in GitLab Community and Enterprise Edition before 10.8.7, 11.0.x before 11.0.5, and 11.1.x before 11.1.2. XSS can oc CVE-2018-146065.4An issue was discovered in GitLab Community and Enterprise Edition before 10.8.7, 11.0.x before 11.0.5, and 11.1.x before 11.1.2. XSS can oc CVE-2018-146077.5Thomson Reuters UltraTax CS 2017 on Windows, in a client/server configuration, transfers customer records and bank account numbers in cleart CVE-2018-146087.5Thomson Reuters UltraTax CS 2017 on Windows has a password protection option; however, the level of protection might be inconsistent with so CVE-2018-146095.5An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in __del_reloc_root() in fs/btrfs/reloc CVE-2018-14615.4IBM SAN Volume Controller, IBM Storwize, IBM Spectrum Virtualize and IBM FlashSystem products ( 6.1, 6.2, 6.3, 6.4, 7.1, 7.2, 7.3, 7.4, 7.5,CVE-2018-146105.5An issue was discovered in the Linux kernel through 4.17.10. There is out-of-bounds access in write_extent_buffer() when mounting and operat CVE-2018-146115.5An issue was discovered in the Linux kernel through 4.17.10. There is a use-after-free in try_merge_free_space() when mounting a crafted btr