Amazon Linux 2 Security Advisory: ALAS-2020-1567
Advisory Release Date: 2020-12-08 20:55 Pacific
Advisory Updated Date: 2020-12-08 22:28 Pacific
Severity:
Important
Issue Overview:
An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as system availability. (CVE-2020-14363)
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.
New Packages:
aarch64:
libX11-1.6.7-3.amzn2.aarch64
libX11-devel-1.6.7-3.amzn2.aarch64
libX11-debuginfo-1.6.7-3.amzn2.aarch64
i686:
libX11-1.6.7-3.amzn2.i686
libX11-devel-1.6.7-3.amzn2.i686
libX11-debuginfo-1.6.7-3.amzn2.i686
noarch:
libX11-common-1.6.7-3.amzn2.noarch
src:
libX11-1.6.7-3.amzn2.src
x86_64:
libX11-1.6.7-3.amzn2.x86_64
libX11-devel-1.6.7-3.amzn2.x86_64
libX11-debuginfo-1.6.7-3.amzn2.x86_64