The version of Firefox installed on the remote Mac OS X host is prior to 45. It is, therefore, affected by multiple vulnerabilities, the majority of which are remote code execution vulnerabilities. An unauthenticated, remote attacker can exploit these issues by convincing a user to visit a specially crafted website, resulting in the execution of arbitrary code in the context of the current user.

Mozilla Foundation reports :

MFSA 2016-16 Miscellaneous memory safety hazards (rv:45.0 / rv:38.7)

MFSA 2016-17 Local file overwriting and potential privilege escalation through CSP reports

MFSA 2016-18 CSP reports fail to strip location information for embedded iframe pages

MFSA 2016-19 Linux video memory DOS with Intel drivers

MFSA 2016-20 Memory leak in libstagefright when deleting an array during MP4 processing

MFSA 2016-21 Displayed page address can be overridden

MFSA 2016-22 Service Worker Manager out-of-bounds read in Service Worker Manager

MFSA 2016-23 Use-after-free in HTML5 string parser

MFSA 2016-24 Use-after-free in SetBody

MFSA 2016-25 Use-after-free when using multiple WebRTC data channels

MFSA 2016-26 Memory corruption when modifying a file being read by FileReader

MFSA 2016-27 Use-after-free during XML transformations

MFSA 2016-28 Addressbar spoofing though history navigation and Location protocol property

MFSA 2016-29 Same-origin policy violation using perfomance.getEntries and history navigation with session restore

MFSA 2016-31 Memory corruption with malicious NPAPI plugin

MFSA 2016-32 WebRTC and LibVPX vulnerabilities found through code inspection

MFSA 2016-33 Use-after-free in GetStaticInstance in WebRTC

MFSA 2016-34 Out-of-bounds read in HTML parser following a failed allocation

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

Mozilla Firefox was updated to 38.7.0 ESR (bsc#969894), fixing following security issues :

  - MFSA 2016-16/CVE-2016-1952/CVE-2016-1953 Miscellaneous     memory safety hazards (rv:45.0 / rv:38.7)

  - MFSA 2016-17/CVE-2016-1954 Local file overwriting and     potential privilege escalation through CSP reports

  - MFSA 2016-20/CVE-2016-1957 Memory leak in libstagefright     when deleting an array during MP4 processing

  - MFSA 2016-21/CVE-2016-1958 Displayed page address can be     overridden

  - MFSA 2016-23/CVE-2016-1960 Use-after-free in HTML5     string parser

  - MFSA 2016-24/CVE-2016-1961 Use-after-free in SetBody

  - MFSA 2016-25/CVE-2016-1962 Use-after-free when using     multiple WebRTC data channels

  - MFSA 2016-27/CVE-2016-1964 Use-after-free during XML     transformations

  - MFSA 2016-28/CVE-2016-1965 Addressbar spoofing though     history navigation and Location protocol property

  - MFSA 2016-31/CVE-2016-1966 Memory corruption with     malicious NPAPI plugin

  - MFSA 2016-34/CVE-2016-1974 Out-of-bounds read in HTML     parser following a failed allocation

  - MFSA 2016-35/CVE-2016-1950 Buffer overflow during ASN.1     decoding in NSS

  - 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 (bsc#969894), fixing following bugs :

  - 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 fix security issues (bsc#969894) :

  - MFSA 2016-15/CVE-2016-1978 Use-after-free in NSS during     SSL connections in low memory

  - MFSA 2016-35/CVE-2016-1950 Buffer overflow during ASN.1     decoding in NSS

  - MFSA 2016-36/CVE-2016-1979 Use-after-free during     processing of DER encoded keys in NSS

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Published	Updated	Severity
89873	Firefox < 45 Multiple Vulnerabilities (Mac OS X)	Nessus	MacOS X Local Security Checks	3/11/2016	3/3/2026	critical
89765	FreeBSD : mozilla -- multiple vulnerabilities (2225c5b4-1e5a-44fc-9920-b3201c384a15)	Nessus	FreeBSD Local Security Checks	3/9/2016	1/4/2021	critical
90263	SUSE SLES11 Security Update : MozillaFirefox, mozilla-nspr, mozilla-nss (SUSE-SU-2016:0909-1)	Nessus	SuSE Local Security Checks	4/1/2016	1/19/2021	critical

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