Amazon Linux 2 Security Advisory: ALAS-2021-1661
Advisory Release Date: 2021-06-16 20:37 Pacific
Advisory Updated Date: 2021-06-22 22:24 Pacific
A flaw was found in libX11. An integer overflow leading to a heap-buffer overflow occurs when setuid programs call XIM client functions while running with elevated privileges. The highest threat from this vulnerability are to data confidentiality and integrity as well as system vulnerability. (CVE-2020-14344)
Affected Packages:
libX11
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update libX11 to update your system.
aarch64:
libX11-1.6.7-3.amzn2.0.1.aarch64
libX11-devel-1.6.7-3.amzn2.0.1.aarch64
libX11-debuginfo-1.6.7-3.amzn2.0.1.aarch64
i686:
libX11-1.6.7-3.amzn2.0.1.i686
libX11-devel-1.6.7-3.amzn2.0.1.i686
libX11-debuginfo-1.6.7-3.amzn2.0.1.i686
noarch:
libX11-common-1.6.7-3.amzn2.0.1.noarch
src:
libX11-1.6.7-3.amzn2.0.1.src
x86_64:
libX11-1.6.7-3.amzn2.0.1.x86_64
libX11-devel-1.6.7-3.amzn2.0.1.x86_64
libX11-debuginfo-1.6.7-3.amzn2.0.1.x86_64