ALAS2023-2026-1443

References: CVE-2025-47911  CVE-2025-58190  CVE-2025-61726  CVE-2025-61728  CVE-2025-61730  CVE-2025-68121 
FAQs regarding Amazon Linux ALAS/CVE Severity

Issue Overview:

The html.Parse function in golang.org/x/net/html has quadratic parsing complexity when processing certain inputs, which can lead to denial of service (DoS) if an attacker provides specially crafted HTML content. (CVE-2025-47911)

The html.Parse function in golang.org/x/net/html has an infinite parsing loop when processing certain inputs, which can lead to denial of service (DoS) if an attacker provides specially crafted HTML content. (CVE-2025-58190)

net/http: memory exhaustion in Request.ParseForm (CVE-2025-61726)

archive/zip: denial of service when parsing arbitrary ZIP archives (CVE-2025-61728)

crypto/tls: handshake messages may be processed at the incorrect encryption level (CVE-2025-61730)

crypto/tls: Config.Clone copies automatically generated session ticket keys, session resumption does not account for the expiration of full certificate chain (CVE-2025-68121)

Issue Correction:
Run dnf update ecs-init --releasever 2023.10.20260216 or dnf update --advisory ALAS2023-2026-1443 --releasever 2023.10.20260216 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:
    ecs-init-1.101.3-1.amzn2023.aarch64

src:
    ecs-init-1.101.3-1.amzn2023.src

x86_64:
    ecs-init-1.101.3-1.amzn2023.x86_64

Changelog:

2026-02-27: CVE-2025-61730 was added to this advisory.

2026-02-27: CVE-2025-61726 was added to this advisory.

2026-02-27: CVE-2025-68121 was added to this advisory.

2026-02-27: CVE-2025-61728 was added to this advisory.