Mozilla Releases Firefox 6 and Firefox 3.6.20

Last Updated: 01/10/2018

Security Notice Level



Mozilla has released updates to their Firefox browser. These updates address vulnerabilities that may allow an attacker to gain access, run harmful software, take control of and access sensitive information on systems not updated.

The OIT Security Office recommends all users update.

Affected Software

  • Mozilla Firefox 4 all versions
  • Mozilla Firefox 5 all versions
  • Mozilla Firefox 3.6.19 and prior versions

Additional Information

Security bulletin names:
Security Advisories for Firefox 3.6
Security Advisories for Firefox
Additional information about this vulnerability can be viewed at:

Release date: August 16, 2011