CVE-2020-26976

Name
CVE-2020-26976
Description
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.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-54/
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1674343
Third Party Advisory https://www.debian.org/security/2021/dsa-4840
Third Party Advisory https://security.gentoo.org/glsa/202102-02
Third Party Advisory https://www.debian.org/security/2021/dsa-4842
Mailing List https://lists.debian.org/debian-lts-announce/2021/02/msg00001.html
Mailing List https://lists.debian.org/debian-lts-announce/2021/02/msg00002.html

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* firefox >= None < 84.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
thunderbird edge-community 78.7.0-r0 None fixed
thunderbird 3.22-community 78.7.0-r0 None fixed
thunderbird 3.21-community 78.7.0-r0 None fixed
thunderbird 3.20-community 78.7.0-r0 None fixed
thunderbird 3.19-community 78.7.0-r0 None fixed
thunderbird 3.18-community 78.7.0-r0 None fixed
thunderbird 3.17-community 78.7.0-r0 None fixed
librewolf edge-community 84.0.1-r0 None fixed
librewolf 3.22-community 84.0.1-r0 None fixed
librewolf 3.21-community 84.0.1-r0 None fixed
firefox-esr edge-community 78.7.0-r0 None fixed
firefox-esr 3.22-community 78.7.0-r0 None fixed
firefox-esr 3.21-community 78.7.0-r0 None fixed
firefox-esr 3.20-community 78.7.0-r0 None fixed
firefox-esr 3.19-community 78.7.0-r0 None fixed
firefox-esr 3.18-community 78.7.0-r0 None fixed
firefox-esr 3.17-community 78.7.0-r0 None fixed
firefox edge-community 84.0.1-r0 None fixed
firefox edge-community 83.0-r0 None fixed
firefox edge-community 82.0.3-r0 None fixed
firefox edge-community 82.0-r0 None fixed
firefox edge-community 81.0-r0 None fixed
firefox edge-community 80.0-r0 None fixed
firefox edge-community 79.0-r0 None fixed
firefox edge-community 78.0-r0 None possibly vulnerable
firefox edge-community 77.0-r0 None possibly vulnerable
firefox edge-community 76.0-r0 None possibly vulnerable
firefox edge-community 75.0-r0 None possibly vulnerable
firefox edge-community 74.0.1-r0 None possibly vulnerable
firefox edge-community 74.0-r0 None possibly vulnerable
firefox edge-community 71.0.1-r0 None possibly vulnerable
firefox edge-community 70.0-r0 None possibly vulnerable
firefox edge-community 68.0.2-r0 None possibly vulnerable
firefox 3.22-community 84.0.1-r0 None fixed
firefox 3.22-community 83.0-r0 None fixed
firefox 3.22-community 82.0.3-r0 None fixed
firefox 3.22-community 82.0-r0 None fixed
firefox 3.22-community 81.0-r0 None fixed
firefox 3.22-community 80.0-r0 None fixed
firefox 3.22-community 79.0-r0 None fixed
firefox 3.22-community 78.0-r0 None possibly vulnerable
firefox 3.22-community 77.0-r0 None possibly vulnerable
firefox 3.22-community 76.0-r0 None possibly vulnerable
firefox 3.22-community 75.0-r0 None possibly vulnerable
firefox 3.22-community 74.0.1-r0 None possibly vulnerable
firefox 3.22-community 74.0-r0 None possibly vulnerable
firefox 3.22-community 71.0.1-r0 None possibly vulnerable
firefox 3.22-community 70.0-r0 None possibly vulnerable
firefox 3.22-community 68.0.2-r0 None possibly vulnerable
firefox 3.21-community 84.0.1-r0 None fixed
firefox 3.20-community 84.0.1-r0 None fixed
firefox 3.19-community 84.0.1-r0 None fixed
firefox 3.18-community 84.0.1-r0 None fixed
firefox 3.17-community 84.0.1-r0 None fixed