Amazon Linux 2 Security Advisory: ALAS2ECS-2025-070
Advisory Released Date: 2025-06-23
Advisory Updated Date: 2025-06-23
Severity:
Important
Issue Overview:
The net/http package accepted data in the chunked transfer encoding containing an invalid chunk-size line terminated by a bare LF. When used in conjunction with a server or proxy which incorrectly interprets a bare LF in a chunk extension as part of the extension, this could permit request smuggling. (CVE-2025-22871)
Affected Packages:
containerd
Note:
This advisory is applicable to Amazon Linux 2 - Ecs 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 containerd or yum update --advisory ALAS2ECS-2025-070 to update your system.
New Packages:
aarch64:
containerd-1.7.27-1.amzn2.0.3.aarch64
containerd-stress-1.7.27-1.amzn2.0.3.aarch64
containerd-debuginfo-1.7.27-1.amzn2.0.3.aarch64
src:
containerd-1.7.27-1.amzn2.0.3.src
x86_64:
containerd-1.7.27-1.amzn2.0.3.x86_64
containerd-stress-1.7.27-1.amzn2.0.3.x86_64
containerd-debuginfo-1.7.27-1.amzn2.0.3.x86_64