CVE-2020-15680 log

Source
Severity Medium
Remote Yes
Type Information disclosure
Description
An information disclosure issue has been found in Firefox before 82.0 where if a valid external protocol handler was referenced in an image tag, the resulting broken image size could be distinguished from a broken image size of a non-existent protocol handler. This allowed an attacker to successfully probe whether an external protocol handler was registered.
Group Package Affected Fixed Severity Status Ticket
AVG-1256 firefox 81.0.2-1 82.0-1 Critical Fixed
Date Advisory Group Package Severity Type
02 Nov 2020 ASA-202011-1 AVG-1256 firefox Critical multiple issues
References
https://www.mozilla.org/en-US/security/advisories/mfsa2020-45/#CVE-2020-15680
https://bugzilla.mozilla.org/show_bug.cgi?id=1658881