CVE-2026-81718 - openssl_encrypt versions before 1.4.9 use under-parameterized PBKDF2-HMAC-SHA256 with only 100,000 iterations to protect PQC keyfile private keys and 10,000 iterations for dual-encryption file-password verification. Attackers who obtain keyfiles or encrypted files can brute-force wrapping passwords offline using GPU or ASIC acceleration. - 漏洞详情

漏洞编号：CVE-2026-81718

风险等级：高危

漏洞来源：CVE

CVE 编号：CVE-2026-81718

CNNVD 编号：-

厂商/产品：- / -

影响范围：-

CWE：CWE-326

发布/更新时间：2026-08-27 / 2026-08-27

漏洞描述

openssl_encrypt versions before 1.4.9 use under-parameterized PBKDF2-HMAC-SHA256 with only 100,000 iterations to protect PQC keyfile private keys and 10,000 iterations for dual-encryption file-password verification. Attackers who obtain keyfiles or encrypted files can brute-force wrapping passwords offline using GPU or ASIC acceleration.

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