Amazon Linux 2023 Security Advisory: ALAS2023-2026-2063
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:
containerd
Issue Correction:
Run dnf update containerd --releasever 2023.12.20260817 or dnf update --advisory ALAS2023-2026-2063 --releasever 2023.12.20260817 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
New Packages:
aarch64:
containerd-debuginfo-2.2.5-1.amzn2023.0.2.aarch64
containerd-stress-debuginfo-2.2.5-1.amzn2023.0.2.aarch64
containerd-2.2.5-1.amzn2023.0.2.aarch64
containerd-stress-2.2.5-1.amzn2023.0.2.aarch64
containerd-debugsource-2.2.5-1.amzn2023.0.2.aarch64
src:
containerd-2.2.5-1.amzn2023.0.2.src
x86_64:
containerd-debuginfo-2.2.5-1.amzn2023.0.2.x86_64
containerd-stress-debuginfo-2.2.5-1.amzn2023.0.2.x86_64
containerd-stress-2.2.5-1.amzn2023.0.2.x86_64
containerd-2.2.5-1.amzn2023.0.2.x86_64
containerd-debugsource-2.2.5-1.amzn2023.0.2.x86_64