CVE-2018-14600 — Out-of-bounds Write in Libx11
Severity
9.8CRITICALNVD
EPSS
11.0%
top 6.55%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 24
Latest updateMay 14
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9
Affected Packages2 packages
Also affects: Debian Linux 8.0, Ubuntu Linux 12.04, 14.04, 16.04, 18.04