CVE-2020-26976: vulnerability in Mozilla Firefox
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 1.6%
When a HTTPS pages was embedded in a 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. This vulnerability affects Firefox < 84.
Affected products
Mozilla · FirefoxRelated CVEs — Mozilla Firefox
In the same product, most dangerous first.
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1674343https://lists.debian.org/debian-lts-announce/2021/02/msg00001.htmlhttps://lists.debian.org/debian-lts-announce/2021/02/msg00002.htmlhttps://security.gentoo.org/glsa/202102-02https://www.debian.org/security/2021/dsa-4840https://www.debian.org/security/2021/dsa-4842https://www.mozilla.org/security/advisories/mfsa2020-54/