CVE-2026-74874

Description

openssl_encrypt versions before 1.4.0 use Python's non-cryptographic random module for steganographic pixel selection in the generate_pseudorandom_sequence function. Attackers who know the password can recover the Mersenne Twister state from approximately 624 outputs and predict pixel locations containing hidden data for extraction.

CVSS Vector

References

• https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-vfgx-5q85-58q3
• https://www.vulncheck.com/advisories/openssl-encrypt-before-weak-prng-steganography-pixel-selection