Em resumo
- CVE-2026-74871 é uma vulnerabilidade MÉDIO (CVSS 5.5) que afeta openssl-encrypt, openssl encrypt (jahlives).
- Chance de exploração nos próximos 30 dias (EPSS): 0.11%, maior que 1.2% das vulnerabilidades.
- Correção: atualize para 1.4.6 ou posterior.
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.
NVD 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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