Last Modified: Aug 01, 2026
Affected Product(s):
BIG-IP TMOS
Known Affected Versions:
17.5.1, 17.5.1.2, 17.5.1.3, 17.5.1.4, 17.5.1.5, 17.5.1.6, 17.5.1.8
Fixed In:
21.1.0.1
Opened: May 22, 2026 Severity: 3-Major
When the OCSP request from tamd does not receive a response, the entire tamd process hangs, preventing any further checks from being initiated
Tamd is currently stalled, and any further OCSP client authentication requests will be blocked
When the OCSP responder is unresponsive, the OCSP requests initiated by the TAMD are blocked
None
- Configure the client authentication using an OCSP responder and perform client authentication. - The OCSP responder should not send responses. Expected: the tamd is not stalled or wait for a response indefinitely when the OCSP response is not received, and should continue processing subsequent requests