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(mozilla-projects-nss-nss-3-126-1-release-notes)=
# NSS 3.126.1 release notes
## Introduction
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Network Security Services (NSS) 3.126.1 was released on *13 August 2026*.
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## Distribution Information
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The HG tag is NSS_3_126_1_RTM. NSS 3.126.1 requires NSPR 4.39 or newer.
NSS 3.126.1 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-3-126-1)=
## Changes in NSS 3.126.1
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