CVE-2006-4339

MediumCVSS 4.3/10Last modified Jun 16, 2026

Description

OpenSSL before 0.9.7, 0.9.7 before 0.9.7k, and 0.9.8 before 0.9.8c, when using an RSA key with exponent 3, removes PKCS-1 padding before generating a hash, which allows remote attackers to forge a PKCS #1 v1.5 signature that is signed by that RSA key and prevents OpenSSL from correctly verifying X.509 and other certificates that use PKCS #1.

Metrics

CVSS 2.0 4.3/10AV:N/AC:M/Au:N/C:P/I:N/A:N

Weakness enumeration

CWE-310

Affected software

No affected versions have been published.

Timeline

Published: Sep 5, 2006
Last modified: Jun 16, 2026
NVD status: Modified

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