CVE-2018-14598
Published: 24 August 2018
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).
Priority
Status
Package | Release | Status |
---|---|---|
libx11 Launchpad, Ubuntu, Debian |
bionic |
Released
(2:1.6.4-3ubuntu0.1)
|
trusty |
Released
(2:1.6.2-1ubuntu2.1)
|
|
upstream |
Released
(1.6.6)
|
|
xenial |
Released
(2:1.6.3-1ubuntu2.1)
|
|
Patches: other: https://gitlab.freedesktop.org/xorg/lib/libx11/commit/e83722768fd5c467ef61fa159e8c6278770b45c2 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |