CVE-2026-74888

opensslencrypt versions before 1.4.0 use a non-standard PBKDF2 key derivation construction with iterations=1 per call in an outer loop, creating a KDF whose security properties have not been formally analyzed. Attackers can exploit this weakened key derivation to more efficiently crack passwords...

CVE-2026-74888

The PHP package openssl_encrypt before 1.4.0 uses a non-standard PBKDF2 construction (iterations=1 per call) that weakens key derivation, enabling attackers to more efficiently crack passwords protecting legacy encrypted files. No in-the-wild exploitation is reported; upgrading to version 1.4.0 i...

CVE-2026-74888 openssl_encrypt before 1.4.0 Non-Standard PBKDF2 Key Derivation

opensslencrypt versions before 1.4.0 use a non-standard PBKDF2 key derivation construction with iterations=1 per call in an outer loop, creating a KDF whose security properties have not been formally analyzed. Attackers can exploit this weakened key derivation to more efficiently crack passwords...