Security Advisory

CVE-2026-74871

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-17 11:04:40

Last updated 2026-08-17 17:35:33

Assigner VulnCheck

CVSS score not scored

State PUBLISHED

Description

openssl_encrypt versions before 1.4.6 contain a key derivation flaw in sequential XOR composition mode where the last stage cancels out during key generation. When configured with a single KDF and no prior hashing stage, attackers can bypass memory-hard key derivation and perform offline password cracking at SHA-256 speed instead of the configured KDF cost.

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