Security Alert (A16-09-05): Multiple Vulnerabilities in Firefox

Description:

Mozilla has published security advisories to address multiple vulnerabilities found in Firefox. These vulnerabilities are caused by memory safety bugs, buffer overflow, integer overflow, use-after-free error, add-on update flaw, and element cast flaw, 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.

Affected Systems:

• Firefox prior to version 49.0
• Firefox ESR prior to version 45.4

Impact:

A successful attack could lead to application crash, information disclosure, memory corruption or arbitrary code execution on an affected system.

Recommendation:

Mozilla has released new versions of the product to address the issues and they can be downloaded at the following URLs:

• Firefox 49.0 for Windows, Macintosh and Linux
  http://www.mozilla.org/en-US/firefox/all.html
  
  
• Firefox ESR 45.4 for Windows, Macintosh and Linux
  https://www.mozilla.org/en-US/firefox/organizations/all/
  
  

Users of affected systems should follow the recommendations provided by the product vendor and take immediate actions to mitigate the risk.

More Information:

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/mfsa2016-85/
https://www.mozilla.org/en-US/security/advisories/mfsa2016-86/
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2827
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5250
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5256
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5257
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5261
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5270 (to CVE-2016-5284)