Mozilla has published security advisories to address multiple vulnerabilities found in Firefox. These vulnerabilities are caused by buffer overflow, memory safety bugs, and use-after-free errors, etc. A remote attacker could entice a user to open a web page with specially crafted content or send malicious add-on updates to exploit the vulnerabilities.
A successful attack could lead to application crash, privilege elevation, memory corruption or arbitrary code execution on an affected system.
Mozilla has released new versions of the product to address the issues and they can be downloaded at the following URLs:
Users of affected systems should follow the recommendations provided by the product vendor and take immediate actions to mitigate the risk.
https://www.mozilla.org/security/advisories/
https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox/
https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox-esr/
https://www.mozilla.org/en-US/security/advisories/mfsa2016-89/
https://www.mozilla.org/en-US/security/advisories/mfsa2016-90/
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5289 (to CVE-2016-5299)
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9061 (to CVE-2016-9068)
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9070 (to CVE-2016-9077)