CVE-2020-26976 Affecting firefox package, versions <0:78.7.0-2.0.1.el7_9
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Test your applications- Snyk ID SNYK-ORACLE7-FIREFOX-2580363
- published 10 Apr 2022
- disclosed 7 Jan 2021
Introduced: 7 Jan 2021
CVE-2020-26976 Open this link in a new tabHow to fix?
Upgrade Oracle:7 firefox to version 0:78.7.0-2.0.1.el7_9 or higher.
This issue was patched in ELSA-2021-0290.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
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.
References
- https://linux.oracle.com/cve/CVE-2020-26976.html
- https://linux.oracle.com/errata/ELSA-2021-0288.html
- https://linux.oracle.com/errata/ELSA-2021-0290.html
- https://linux.oracle.com/errata/ELSA-2021-0297.html
- https://linux.oracle.com/errata/ELSA-2021-0298.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1674343
- https://lists.debian.org/debian-lts-announce/2021/02/msg00001.html
- https://lists.debian.org/debian-lts-announce/2021/02/msg00002.html
- https://security.gentoo.org/glsa/202102-02
- https://www.debian.org/security/2021/dsa-4840
- https://www.debian.org/security/2021/dsa-4842
- https://www.mozilla.org/security/advisories/mfsa2020-54/