NSS 3.37.3 release notes


Network Security Services (NSS) 3.37.3 is a patch release for NSS 3.37.

Distribution Information

The HG tag is NSS_3_37_3_RTM. NSS 3.37.3 requires NSPR 4.19 or newer.

NSS 3.37.3 source distributions are available on ftp.mozilla.org for secure HTTPS download:

New in NSS 3.37.3

New Functionality

No new functionality is introduced in this release. This is a patch release to fix regression bugs.

Bugs fixed in NSS 3.37.3

  • Bug 1459739 - Fix build on armv6/armv7 and other platforms.

  • Bug 1461731 - Fix crash on macOS related to authentication tokens, e.g. PK11or WebAuthn.


NSS 3.37.3 shared libraries are backward compatible with all older NSS 3.x shared libraries. A program linked with older NSS 3.x shared libraries will work with NSS 3.37.3 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 with bugzilla.mozilla.org (product NSS).