CVE - CVE-2020-26976

CVE-ID
CVE-2020-26976	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
DEBIAN:DSA-4840 URL:https://www.debian.org/security/2021/dsa-4840 DEBIAN:DSA-4842 URL:https://www.debian.org/security/2021/dsa-4842 GENTOO:GLSA-202102-02 URL:https://security.gentoo.org/glsa/202102-02 MISC:https://bugzilla.mozilla.org/show_bug.cgi?id=1674343 URL:https://bugzilla.mozilla.org/show_bug.cgi?id=1674343 MISC:https://www.mozilla.org/security/advisories/mfsa2020-54/ URL:https://www.mozilla.org/security/advisories/mfsa2020-54/ MLIST:[debian-lts-announce] 20210202 [SECURITY] [DLA 2539-1] firefox-esr security update URL:https://lists.debian.org/debian-lts-announce/2021/02/msg00001.html MLIST:[debian-lts-announce] 20210202 [SECURITY] [DLA 2541-1] thunderbird security update URL:https://lists.debian.org/debian-lts-announce/2021/02/msg00002.html
Assigning CNA
Mozilla Corporation
Date Record Created
20201012	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20201012)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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