Mozilla has published a security advisory (MFSA 2019-24) to address a browser vulnerability. An attacker could exploit the vulnerability to steal locally stored passwords in an unpatched browser.
Successful exploitation of the vulnerability could lead to credential disclosure on an affected system.
Mozilla has released new versions 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/mfsa2019-24/
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11733