NSS
Network Security Services - a cross-platform security library (more info)
Select a component to see open bugs in that component:
Build system.
Problems found in certificates issued by Certificate Authorities included in the default certificate store.
For Certificate Authorities to file requests asking for their certificates to be included in the default certificate store.
Root CA certificates built into NSS shared libraries.
NSS Documentation
Libraries for client support of SSL v2 and v3, TLS, PKCS #5, PKCS #7, PKCS #11, PKCS #12, S/MIME, X.509 v3 certificates, and other security standards
The QA test programs and the test driver scripts.
Tools to support NSS libraries