CVE-2026-47842

Spring Security 's AesBytesEncryptor deterministically encrypts data with AES/CBC when the two-argument constructor is used or a null IV generator is passed with CBC mode, resulting in a null (all-zero) initialization vector . This causes identical plaintexts to always produce identical ciphertex...

CVE-2026-47842 Deterministic AES/CBC Encryption in Spring Security AesBytesEncryptor Allows Ciphertext Correlation

Applications using AesBytesEncryptor with the two-argument constructor or when passing a null IV generator and CBC as the encryption mode encrypt data with AES/CBC using a null all-zero initialization vector. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6 Spring Security 6.5.0 - 6.5.11 Sprin...

SAFER+attack.txt

Date: Wed, 30 Dec 1998 01:41:59 -0700 MST From: mea culpa To: InfoSec News Subject: ISN Academic Attacks on SAFER+ Forwarded From: "Jay D. Dyson" Originally From: John Kelsey I believe I have found two attacks on the SAFER+ version with 256-bit keys. While these attacks aren't practical, they...