ALAS2023-2026-1421

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

Issue Overview:

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 soci-snapshotter --releasever 2023.10.20260202 or dnf update --advisory ALAS2023-2026-1421 --releasever 2023.10.20260202 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:
    soci-snapshotter-0.12.0-1.amzn2023.0.3.aarch64

src:
    soci-snapshotter-0.12.0-1.amzn2023.0.3.src

x86_64:
    soci-snapshotter-0.12.0-1.amzn2023.0.3.x86_64

Changelog:

2026-02-20: CVE-2025-61731 was removed from this advisory.

2026-02-20: CVE-2025-68119 was removed from this advisory.

2026-02-20: The severity of this advisory was changed from important to medium.