NSS 3.120 release notes

Introduction

Network Security Services (NSS) 3.120 was released on 8 January 2026*.

Distribution Information

The HG tag is NSS_3_120_RTM. NSS 3.120 requires NSPR 4.38.2 or newer.

NSS 3.120 source distributions are available on ftp.mozilla.org for secure HTTPS download:

• Source tarballs: https://ftp.mozilla.org/pub/mozilla.org/security/nss/releases/NSS_3_120_RTM/src/

Other releases are available Release Notes.

Changes in NSS 3.120

• Bug 2008768 - Fix docs generation bug.

• Bug 2007908 - CID 1678226: Dereferencing null pointer plaintext.data().

• Bug 2004694 - Run PKCS12 fuzz target with –fuzz=tls in CI.

• Bug 1978603 - Allowing RT be started several times.

• Bug 2005751 - move linux decision and build tasks to d2g worker pools.