CVE-2020-26976 log

Source	CVE Red Hat MITRE NVD Debian Ubuntu SUSE Alpine Mageia CVE Details CIRCL Bugs Arch Linux Red Hat Gentoo SUSE GitHub Lists oss-security full-disclosure bugtraq Misc GitHub code web search
Severity	Medium
Remote	Yes
Type	Information disclosure
Description	A security issue was found in Firefox before 84.0. When an HTTPS page was embedded in an HTTP page, and there was a service worker registered for the former, the service worker could have intercepted the request for the secure page despite the iframe not being a secure context due to the (insecure) framing.

Group	Package	Affected	Fixed	Severity	Status	Ticket
AVG-1496	thunderbird	78.6.1-1	78.7.0-1	High	Fixed
AVG-1362	firefox	83.0-2	84.0-1	High	Fixed

Date	Advisory	Group	Package	Severity	Type
06 Feb 2021	ASA-202102-2	AVG-1496	thunderbird	High	multiple issues
16 Dec 2020	ASA-202012-25	AVG-1362	firefox	High	multiple issues

References
https://www.mozilla.org/en-US/security/advisories/mfsa2020-54/#CVE-2020-26976 https://bugzilla.mozilla.org/show_bug.cgi?id=1674343