This update for MozillaFirefox, mozilla-nspr, mozilla-nss fixes the following issues:

MozillaFirefox was updated to Firefox 45.0 (boo#969894)
* requires NSPR 4.12 / NSS 3.21.1
* Instant browser tab sharing through Hello
* Synced Tabs button in button bar
* Tabs synced via Firefox Accounts from other devices are now shown
in dropdown area of Awesome Bar when searching
* Introduce a new preference (network.dns.blockDotOnion) to allow
blocking .onion at the DNS level
* Tab Groups (Panorama) feature removed
* MFSA 2016-16/CVE-2016-1952/CVE-2016-1953
Miscellaneous memory safety hazards
* MFSA 2016-17/CVE-2016-1954 (bmo#1243178)
Local file overwriting and potential privilege escalation through
CSP reports
* MFSA 2016-18/CVE-2016-1955 (bmo#1208946)
CSP reports fail to strip location information for embedded iframe pages
* MFSA 2016-19/CVE-2016-1956 (bmo#1199923)
Linux video memory DOS with Intel drivers
* MFSA 2016-20/CVE-2016-1957 (bmo#1227052)
Memory leak in libstagefright when deleting an array during MP4
processing
* MFSA 2016-21/CVE-2016-1958 (bmo#1228754)
Displayed page address can be overridden
* MFSA 2016-22/CVE-2016-1959 (bmo#1234949)
Service Worker Manager out-of-bounds read in Service Worker Manager
* MFSA 2016-23/CVE-2016-1960/ZDI-CAN-3545 (bmo#1246014)
Use-after-free in HTML5 string parser
* MFSA 2016-24/CVE-2016-1961/ZDI-CAN-3574 (bmo#1249377)
Use-after-free in SetBody
* MFSA 2016-25/CVE-2016-1962 (bmo#1240760)
Use-after-free when using multiple WebRTC data channels
* MFSA 2016-26/CVE-2016-1963 (bmo#1238440)
Memory corruption when modifying a file being read by FileReader
* MFSA 2016-27/CVE-2016-1964 (bmo#1243335)
Use-after-free during XML transformations
* MFSA 2016-28/CVE-2016-1965 (bmo#1245264)
Addressbar spoofing though history navigation and Location protocol
property
* MFSA 2016-29/CVE-2016-1967 (bmo#1246956)
Same-origin policy violation using perfomance.getEntries and
history navigation with session restore
* MFSA 2016-30/CVE-2016-1968 (bmo#1246742)
Buffer overflow in Brotli decompression
* MFSA 2016-31/CVE-2016-1966 (bmo#1246054)
Memory corruption with malicious NPAPI plugin
* MFSA 2016-32/CVE-2016-1970/CVE-2016-1971/CVE-2016-1975/
CVE-2016-1976/CVE-2016-1972
WebRTC and LibVPX vulnerabilities found through code inspection
* MFSA 2016-33/CVE-2016-1973 (bmo#1219339)
Use-after-free in GetStaticInstance in WebRTC
* MFSA 2016-34/CVE-2016-1974 (bmo#1228103)
Out-of-bounds read in HTML parser following a failed allocation
* MFSA 2016-35/CVE-2016-1950 (bmo#1245528)
Buffer overflow during ASN.1 decoding in NSS
(fixed by requiring 3.21.1)
* MFSA 2016-36/CVE-2016-1979 (bmo#1185033)
Use-after-free during processing of DER encoded keys in NSS
(fixed by requiring 3.21.1)
* MFSA 2016-37/CVE-2016-1977/CVE-2016-2790/CVE-2016-2791/
CVE-2016-2792/CVE-2016-2793/CVE-2016-2794/CVE-2016-2795/
CVE-2016-2796/CVE-2016-2797/CVE-2016-2798/CVE-2016-2799/
CVE-2016-2800/CVE-2016-2801/CVE-2016-2802
Font vulnerabilities in the Graphite 2 library

mozilla-nspr was updated to version 4.12
* added a PR_GetEnvSecure function, which attempts to detect if
the program is being executed with elevated privileges, and
returns NULL if detected. It is recommended to use this function
in general purpose library code.
* fixed a memory allocation bug related to the PR_*printf functions
* exported API PR_DuplicateEnvironment, which had already been
added in NSPR 4.10.9
* added support for FreeBSD aarch64
* several minor correctness and compatibility fixes

mozilla-nss was updated to NSS 3.21.1 (bmo#969894)
* required for Firefox 45.0
* MFSA 2016-35/CVE-2016-1950 (bmo#1245528)
Buffer overflow during ASN.1 decoding in NSS
(fixed by requiring 3.21.1)
* MFSA 2016-36/CVE-2016-1979 (bmo#1185033)
Use-after-free during processing of DER encoded keys in NSS
(fixed by requiring 3.21.1)