Mozilla has published a security advisory to address a vulnerability found in Firefox. This vulnerability is caused a problem in fetch() API that did not correctly implement the Cross-Origin Resource Sharing(CORS) specification. A remote attacker could entice a user to open a web page with specially crafted content to exploit the vulnerability.
A successful attack could lead to information disclosure on an affected system.
Mozilla has released new version of the product to address the issue 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/en-US/security/advisories/
https://www.mozilla.org/en-US/security/advisories/mfsa2015-115/
https://www.mozilla.org/en-US/firefox/41.0.2/releasenotes/
https://www.hkcert.org/my_url/en/alert/15101601
https://www.us-cert.gov/ncas/current-activity/2015/10/15/Mozilla-Releases-Security-Update-Firefox
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7184