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(mozilla-projects-nss-nss-3-123-1-release-notes)=
# NSS 3.123.1 release notes
## [Introduction](#introduction)
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Network Security Services (NSS) 3.123.1 was released on *23 April 2026*.
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## [Distribution Information](#distribution_information)
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The HG tag is NSS_3_123_1_RTM. NSS 3.123.1 requires NSPR 4.38.2 or newer.
NSS 3.123.1 source distributions are available on ftp.mozilla.org for secure HTTPS download:
- Source tarballs:
Other releases are available {ref}`mozilla_projects_nss_releases`.
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(changes-in-nss-3-123-1)=
## [Changes in NSS 3.123.1](#changes_in_nss_3.123.1)
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- Bug 2033783 - reject DTLS 1.3 Server Hello after HVR without capping ss->vrange.max.
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