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.. _mozilla_projects_nss_nss_3_51_release_notes:
NSS 3.51 release notes
======================
`Introduction <#introduction>`__
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The NSS team has released Network Security Services (NSS) 3.51 on **6 March 2020**, which is a
minor release.
The NSS team would like to recognize first-time contributors:
- Dmitry Baryshkov
- Victor Tapia
`Distribution Information <#distribution_information>`__
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The HG tag is NSS_3_51_RTM. NSS 3.51 requires NSPR 4.25 or newer.
NSS 3.51 source distributions are available on ftp.mozilla.org for secure HTTPS download:
- Source tarballs:
Other releases are available :ref:`mozilla_projects_nss_nss_releases`.
.. _notable_changes_in_nss_3.51:
`Notable Changes in NSS 3.51 <#notable_changes_in_nss_3.51>`__
--------------------------------------------------------------
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- Updated DTLS 1.3 implementation to Draft-34. See `Bug
.. _bugs_fixed_in_nss_3.51:
`Bugs fixed in NSS 3.51 <#bugs_fixed_in_nss_3.51>`__
----------------------------------------------------
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implementation to draft-34.
PKCS11 values of CKM_AES_CMAC and CKM_AES_CMAC_GENERAL
of Wycheproof ECDH test cases
\__has_include(<sys/auxv.h>)
error for ‘getFIPSEnv’ "defined but not used"
numbers in DTLS 1.3 supported_versions extension to avoid an incompatibility.
calls strstr on a string that isn't guaranteed to be null-terminated
comparison of integers of different signs: 'int' and 'unsigned long' in
security/nss/lib/freebl/ecl/ecp_25519.c:88
clamping
the fips_enabled flag on the machine unless NSS was built with FIPS enabled
dereference in BLAKE2B_Update
in secsign.c
compilation error: unused variable 'getauxval'
unaligned CMACContext.aes.keySchedule when using AES-NI intrinsics
This Bugzilla query returns all the bugs fixed in NSS 3.51:
`Compatibility <#compatibility>`__
----------------------------------
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NSS 3.51 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 3.51 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.
`Feedback <#feedback>`__
------------------------
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Bugs discovered should be reported by filing a bug report with