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CVE-2021-23998 Through complicated navigations with new windows, an HTTP page could have inherited a secure lock icon from an HTTPS…

Description

Through complicated navigations with new windows, an HTTP page could have inherited a secure lock icon from an HTTPS page. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

Affected products and versions

Product Affected versions Fixed in
Firefox ESR 78.10 earliest → < 78.10 78.10
Thunderbird 78.10 earliest → < 78.10 78.10
Firefox 88 earliest → < 88 88
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