CVE-2020-14344 — Integer Overflow or Wraparound in Libx11
Severity
6.7MEDIUMNVD
EPSS
0.2%
top 62.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 5
Latest updateMay 24
Description
An integer overflow leading to a heap-buffer overflow was found in The X Input Method (XIM) client was implemented in libX11 before version 1.6.10. As per upstream this is security relevant when setuid programs call XIM client functions while running with elevated privileges. No such programs are shipped with Red Hat Enterprise Linux.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 0.8 | Impact: 5.9
Affected Packages5 packages
Also affects: Ubuntu Linux 12.04, 14.04, 16.04, 18.04, 20.04, Fedora 31, 32, 33
Patches
🔴Vulnerability Details
5GHSA▶
GHSA-g6cq-58wq-v493: An integer overflow leading to a heap-buffer overflow was found in The X Input Method (XIM) client was implemented in libX11 before version 1↗2022-05-24
CVEList▶
CVE-2020-14344: An integer overflow leading to a heap-buffer overflow was found in The X Input Method (XIM) client was implemented in libX11 before version 1↗2020-08-05
OSV▶
CVE-2020-14344: An integer overflow leading to a heap-buffer overflow was found in The X Input Method (XIM) client was implemented in libX11 before version 1↗2020-08-05