CVE-2006-4339

CVSS 3.1: 9.1 critical
EPSS: —
Published: Sep 5, 2006 · Sep 5, 2006
Modified: Oct 30, 2026

Analyze CVE-2006-4339 with Vani AIImpact, affected versions, exploitation status, mitigations and detection

Description · NVD

A flaw was found in OpenSSL. When configured to use an RSA key with exponent 3, OpenSSL improperly removes PKCS-1 padding before generating a hash. This allows remote attackers to forge PKCS #1 v1.5 signatures. Consequently, OpenSSL may incorrectly verify X.509 and other certificates, leading to a bypass of trust and authentication mechanisms.

Vendors: openssl

Products: openssl

Weakness: CWE-347, CWE-310

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (—)

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