CVE-2008-5077: OpenSSL

Medium severity, CVSS 5.8. EPSS: 5.1% chance of exploitation in the next 30 days.

OpenSSL 0.9.8i and earlier does not properly check the return value from the EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys.

Affected products

• OpenSSL OpenSSL: up to and including 0.9.8h; version 0.9.1c only; version 0.9.2b only; version 0.9.3 only; version 0.9.3a only; version 0.9.4 only; …

Published 2009-01-07. Last modified 2026-06-16.