CVEvulnerability
CVE-2018-14600
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2018-08-24
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-787
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.
Affected configurations
• x.org libx11 (<= 1.6.5)
• canonical ubuntu linux 12.04
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• debian debian linux 8.0
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- http://www.openwall.com/lists/oss-security/2018/08/21/6 Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105177 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041543 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:2079 access.redhat.com
- https://bugzilla.suse.com/show_bug.cgi?id=1102068 Issue Tracking, Patch, Third Party Advisory
- https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=dbf72805fd9d7b1846fe9a11b46f3994bfc27fea Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/08/msg00030.html Mailing List, Third Party Advisory
- https://lists.x.org/archives/xorg-announce/2018-August/002916.html Third Party Advisory
- https://security.gentoo.org/glsa/201811-01 Third 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/2018/08/21/6 Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105177 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041543 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:2079 access.redhat.com
- https://bugzilla.suse.com/show_bug.cgi?id=1102068 Issue Tracking, Patch, Third Party Advisory
- https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=dbf72805fd9d7b1846fe9a11b46f3994bfc27fea Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/08/msg00030.html Mailing List, Third Party Advisory
- https://lists.x.org/archives/xorg-announce/2018-August/002916.html Third Party Advisory
- https://security.gentoo.org/glsa/201811-01 Third Party Advisory
- https://usn.ubuntu.com/3758-1/ Third Party Advisory
- https://usn.ubuntu.com/3758-2/ Third Party Advisory