Amazon Linux 2 Security Advisory: ALAS2-2026-3306
Advisory Released Date: 2026-05-26
Advisory Updated Date: 2026-05-26
Severity:
Low
Issue Overview:
libexpat before 2.7.6 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document. (CVE-2026-41080)
Affected Packages:
thunderbird
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 thunderbird or yum update --advisory ALAS2-2026-3306 to update your system.
New Packages:
aarch64:
thunderbird-140.10.1-1.amzn2.0.2.aarch64
src:
thunderbird-140.10.1-1.amzn2.0.2.src
x86_64:
thunderbird-140.10.1-1.amzn2.0.2.x86_64