NSS 3.76 release notes


Network Security Services (NSS) 3.76 was released on 3 March 2022.

Distribution Information

The HG tag is NSS_3_76_RTM. NSS 3.76 requires NSPR 4.32 or newer.

NSS 3.76 source distributions are available on ftp.mozilla.org for secure HTTPS download:

Other releases are available Releases.

Changes in NSS 3.76

  • Bug 1755555 - Hold tokensLock through nssToken_GetSlot calls in nssTrustDomain_GetActiveSlots. r=rrelyea

  • Bug 1370866 - Check return value of PK11Slot_GetNSSToken. r=djackson

  • Bug 1747957 - Use Wycheproof JSON for RSASSA-PSS, r=nss-reviewers,bbeurdouche

  • Bug 1679803 - Add SHA256 fingerprint comments to old certdata.txt entries. r=nss-reviewers,bbeurdouche

  • Bug 1753505 - Avoid truncating files in nss-release-helper.py. r=bbeurdouche

  • Bug 1751157 - Throw illegal_parameter alert for illegal extensions in handshake message. r=djackson


NSS 3.76 shared libraries are backwards-compatible with all older NSS 3.x shared libraries. A program linked with older NSS 3.x shared libraries will work with this new version of the shared libraries without recompiling or relinking. Furthermore, applications that restrict their use of NSS APIs to the functions listed in NSS Public Functions will remain compatible with future versions of the NSS shared libraries.


Bugs discovered should be reported by filing a bug report on bugzilla.mozilla.org (product NSS).