A security issue has been found in Firefox before version 88 and Thunderbird before version 78.10. Through complicated navigations with new windows, an HTTP page could have inherited a secure lock icon from an HTTPS page.
A security issue has been found in Firefox before version 88 and Thunderbird before version 78.10. Through complicated navigations with new windows, an HTTP page could have inherited a secure lock icon from an HTTPS page.
https://www.mozilla.org/en-US/security/advisories/mfsa2021-16/#CVE-2021-23998 https://www.mozilla.org/en-US/security/advisories/mfsa2021-14/#CVE-2021-23998 https://bugzilla.mozilla.org/show_bug.cgi?id=1667456