Amazon Linux 2 (EOS) Security Advisory: ALAS2-2026-3784
Advisory Released Date: 2026-07-08
Advisory Updated Date: 2026-09-21
Severity:
Important
Issue Overview:
An OS command injection issue in the log4j-cve-2021-44228-hotpatch package in Amazon Linux before 1.3-9 might allow a local user to execute arbitrary commands with root privileges via a Java process whose executable path contains embedded newline characters. (CVE-2026-85656)
Affected Packages:
log4j-cve-2021-44228-hotpatch
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 log4j-cve-2021-44228-hotpatch or yum update --advisory ALAS2-2026-3784 to update your system.
New Packages:
noarch:
log4j-cve-2021-44228-hotpatch-1.3-9.amzn2.noarch
src:
log4j-cve-2021-44228-hotpatch-1.3-9.amzn2.src
Changelog:
2026-09-21: CVE-2026-85656 was added to this advisory.