CVE-2007-5135: Off-by-one error in the SSL_get_shared_ciphers function in OpenSSL 0.9.7 up to 0.9.7l, and 0.9.8 up to 0.9....

Security readout for executives and security teams

This is an old OpenSSL memory-handling flaw. A specially crafted SSL/TLS interaction could trigger a one-byte buffer underflow in affected versions. The public record says code execution was uncertain, and there is no KEV evidence of active exploitation. Exposure is most likely on legacy systems still running affected OpenSSL branches or vendor builds derived from them. Modern supported OpenSSL deployments are unlikely to be exposed, but embedded, appliance, or long-lived server images need verification. Low for modern environments, but potentially important for legacy estate cleanup. If affected OpenSSL versions are found on internet-facing systems, remediate promptly because the flaw is remote and memory-corruption related. Mitigation focus: Inventory systems for affected OpenSSL versions.; Apply vendor updates that address CVE-2007-5135.; Retire unsupported systems using OpenSSL 0.9.7 or 0.9.8f-era builds..

Prepared

Jun 29, 2026, 03:11 UTC (UTC+00:00)

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