PT-2026-76181

Issue summary: The implementations of AES-SIV RFC 5297 and AES-GCM-SIV RFC 8452 mishandle the authentication of AAD Additional Authenticated Data with an empty ciphertext allowing a forgery of such messages. Impact summary: An attacker can forge empty messages with arbitrary AAD to the victim's...

CVE-2026-3337

Observable timing discrepancy in AES-CCM decryption in AWS-LC allows an unauthenticated user to potentially determine authentication tag validity via timing analysis. The impacted implementations are through the EVP CIPHER API: EVPaes128ccm, EVPaes192ccm, and EVPaes256ccm. Customers of AWS servic...

openSUSE Security Update : libressl (openSUSE-2017-560)

This update for libressl to version 2.5.1 fixes the following issues : These security issues were fixed : - CVE-2016-0702: Prevent side channel attack on modular exponentiation boo968050. - CVE-2016-7056: Avoid a side-channel cache-timing attack that can leak the ECDSA private keys when signing...