Detections
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CVE-2018-14600

critical

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.

References

https://usn.ubuntu.com/3758-2/

https://usn.ubuntu.com/3758-1/

https://security.gentoo.org/glsa/201811-01

https://lists.x.org/archives/xorg-announce/2018-August/002916.html

https://lists.debian.org/debian-lts-announce/2018/08/msg00030.html

https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=dbf72805fd9d7b1846fe9a11b46f3994bfc27fea

https://bugzilla.suse.com/show_bug.cgi?id=1102068

https://access.redhat.com/errata/RHSA-2019:2079

http://www.securitytracker.com/id/1041543

http://www.securityfocus.com/bid/105177

http://www.openwall.com/lists/oss-security/2018/08/21/6

Details

Source: Mitre, NVD

Published: 2018-08-24

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.09137