Amazon Linux 2 (EOS) Security Advisory: ALAS2-2026-4043
Advisory Released Date: 2026-10-24
Advisory Updated Date: 2026-10-26
Severity:
Medium
Issue Overview:
Due to security concerns regarding a small set of intermediate certificates issued by a specific Certificate Authority (CA), the Go's crypto/x509 package is updated to not trust certificates issued by the affected intermediate certificates. This would prevent possible future misuse of certificate issued by the affected intermediate certificates. (CVE-2026-111943)
Affected Packages:
golang
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 golang or yum update --advisory ALAS2-2026-4043 to update your system.
New Packages:
aarch64:
golang-1.26.10-1.amzn2.0.1.aarch64
golang-bin-1.26.10-1.amzn2.0.1.aarch64
golang-shared-1.26.10-1.amzn2.0.1.aarch64
noarch:
golang-docs-1.26.10-1.amzn2.0.1.noarch
golang-misc-1.26.10-1.amzn2.0.1.noarch
golang-tests-1.26.10-1.amzn2.0.1.noarch
golang-src-1.26.10-1.amzn2.0.1.noarch
src:
golang-1.26.10-1.amzn2.0.1.src
x86_64:
golang-1.26.10-1.amzn2.0.1.x86_64
golang-bin-1.26.10-1.amzn2.0.1.x86_64
golang-shared-1.26.10-1.amzn2.0.1.x86_64