Amazon Linux 2 Security Advisory: ALAS2NITRO-ENCLAVES-2026-116
Advisory Released Date: 2026-08-17
Advisory Updated Date: 2026-08-17
Severity:
Important
Issue Overview:
A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes. (CVE-2026-56852)
Affected Packages:
docker
Note:
This advisory is applicable to Amazon Linux 2 - Nitro-enclaves Extra. Visit this page to learn more about Amazon Linux 2 (AL2) Extras and this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update docker or yum update --advisory ALAS2NITRO-ENCLAVES-2026-116 to update your system.
New Packages:
aarch64:
docker-25.0.16-1.amzn2.0.4.aarch64
docker-debuginfo-25.0.16-1.amzn2.0.4.aarch64
src:
docker-25.0.16-1.amzn2.0.4.src
x86_64:
docker-25.0.16-1.amzn2.0.4.x86_64
docker-debuginfo-25.0.16-1.amzn2.0.4.x86_64