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+.. _mozilla_projects_nss_nss_3_19_release_notes:
+
+NSS 3.19 release notes
+======================
+
+`Introduction <#introduction>`__
+--------------------------------
+
+.. container::
+
+ The NSS team has released Network Security Services (NSS) 3.19, which is a minor
+ security release.
+
+.. _distribution_information:
+
+`Distribution Information <#distribution_information>`__
+--------------------------------------------------------
+
+.. container::
+
+ The HG tag is NSS_3_19_RTM. NSS 3.19 requires NSPR 4.10.8 or newer.
+
+ NSS 3.19 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_19_RTM/src/
+
+.. _security_fixes_in_nss_3.19:
+
+`Security Fixes in NSS 3.19 <#security_fixes_in_nss_3.19>`__
+------------------------------------------------------------
+
+.. container::
+
+ - `Bug 1086145 <https://bugzilla.mozilla.org/show_bug.cgi?id=1086145>`__ /
+ `CVE-2015-2721 <http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2721>`__ - Fixed a
+ bug related to the ordering of TLS handshake messages. This was also known
+ as `SMACK <https://www.smacktls.com/>`__.
+
+.. _new_in_nss_3.19:
+
+`New in NSS 3.19 <#new_in_nss_3.19>`__
+--------------------------------------
+
+.. container::
+
+.. _new_functionality:
+
+`New Functionality <#new_functionality>`__
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+ - For some certificates, such as root CA certificates that don't embed any constraints, NSS
+ might impose additional constraints such as name constraints. A new API
+ (`CERT_GetImposedNameConstraints <http://mxr.mozilla.org/nss/ident?i=CERT_GetImposedNameConstraints>`__) has
+ been added that allows one to lookup imposed constraints.
+ - It is possible to override the directory
+ (`SQLITE_LIB_DIR <https://bugzilla.mozilla.org/show_bug.cgi?id=1138820>`__) in which the NSS
+ build system will look for the sqlite library.
+
+ .. rubric:: New Functions
+ :name: new_functions
+
+ - *in cert.h*
+
+ - **CERT_GetImposedNameConstraints** - Check if any imposed constraints exist for the given
+ certificate, and if found, return the constraints as encoded certificate extensions.
+
+.. _notable_changes_in_nss_3.19:
+
+`Notable Changes in NSS 3.19 <#notable_changes_in_nss_3.19>`__
+--------------------------------------------------------------
+
+.. container::
+
+ - The SSL 3 protocol has been disabled by default.
+ - NSS now more strictly validates TLS extensions and will fail a handshake that contains
+ malformed extensions (`bug 753136 <https://bugzilla.mozilla.org/show_bug.cgi?id=753136>`__).
+ - In TLS 1.2 handshakes, NSS advertises support for the SHA512 hash algorithm in order to be
+ compatible with TLS servers that use certificates with a SHA512 signature (`bug
+ 1155922 <https://bugzilla.mozilla.org/show_bug.cgi?id=1155922>`__).
+
+.. _bugs_fixed_in_nss_3.19:
+
+`Bugs fixed in NSS 3.19 <#bugs_fixed_in_nss_3.19>`__
+----------------------------------------------------
+
+.. container::
+
+ This Bugzilla query returns all the bugs fixed in NSS 3.19:
+
+ https://bugzilla.mozilla.org/buglist.cgi?resolution=FIXED&classification=Components&query_format=advanced&product=NSS&target_milestone=3.19
+
+`Acknowledgements <#acknowledgements>`__
+----------------------------------------
+
+.. container::
+
+ The NSS development team would like to thank Karthikeyan Bhargavan from
+ `INRIA <http://inria.fr/>`__ for responsibly disclosing the issue in `bug
+ 1086145 <https://bugzilla.mozilla.org/show_bug.cgi?id=1086145>`__.
+
+`Compatibility <#compatibility>`__
+----------------------------------
+
+.. container::
+
+ NSS 3.19 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 3.19 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>`__
+------------------------
+
+.. container::
+
+ Bugs discovered should be reported by filing a bug report with
+ `bugzilla.mozilla.org <https://bugzilla.mozilla.org/enter_bug.cgi?product=NSS>`__ (product NSS). \ No newline at end of file