Amazon Linux 2023 Security Advisory: ALAS2023-2026-1688
Advisory Released Date: 2026-05-14
Advisory Updated Date: 2026-05-14
Severity:
Important
Issue Overview:
Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcprov on all (core modules). This vulnerability is associated with program files G3413CTRBlockCipher.
GOSTCTR implementation unable to process more than 255 blocks correctly.
This issue affects BC-JAVA: from 1.59 before 1.84. (CVE-2025-14813)
Affected Packages:
bouncycastle
Issue Correction:
Run dnf update bouncycastle --releasever 2023.11.20260511 or dnf update --advisory ALAS2023-2026-1688 --releasever 2023.11.20260511 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
New Packages:
noarch:
bouncycastle-tls-1.70-4.amzn2023.0.6.noarch
bouncycastle-1.70-4.amzn2023.0.6.noarch
bouncycastle-pkix-1.70-4.amzn2023.0.6.noarch
bouncycastle-javadoc-1.70-4.amzn2023.0.6.noarch
bouncycastle-util-1.70-4.amzn2023.0.6.noarch
bouncycastle-pg-1.70-4.amzn2023.0.6.noarch
bouncycastle-mail-1.70-4.amzn2023.0.6.noarch
src:
bouncycastle-1.70-4.amzn2023.0.6.src