CVE-2008-5077: OpenSSL 0.9.8i and earlier does not properly check the return value from the EVP_VerifyFinal function, whic...

Security readout for executives and security teams

Older OpenSSL could accept a malformed TLS certificate signature for DSA or ECDSA keys. That can undermine certificate-chain validation, meaning a system may trust a certificate it should reject. The main business concern is legacy systems or products that still bundle OpenSSL 0.9.8i or earlier. Exposure is most likely in legacy servers, clients, appliances, or vendor products using OpenSSL 0.9.8i or earlier, especially where TLS certificate validation relies on DSA or ECDSA signatures. Treat this as a legacy exposure issue with potentially serious trust implications. Prioritize environments where obsolete OpenSSL remains in production, particularly externally exposed or security-sensitive systems. Mitigation focus: Inventory OpenSSL versions in operating systems, applications, appliances, and embedded vendor products.; Apply vendor updates that address CVE-2008-5077 or the referenced OpenSSL advisory.; Prioritize internet-facing TLS clients, proxies, VPNs, management planes, and security appliances..

Prepared

Jun 28, 2026, 11:41 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.