CVE-2020-26976
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-26976
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-26976.html
Vendor advisory: arch — https://security.archlinux.org/ASA-202012-25
Vendor advisory: arch — https://security.archlinux.org/ASA-202102-2
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 78.7.0-1 | |
| sles | affected | | |
| debian | sid | fixed | 84.0-1 |
| debian | bookworm | fixed | 78.7.0esr-1 |
| debian | bullseye | fixed | 78.7.0esr-1 |
| debian | forky | fixed | 78.7.0esr-1 |
| debian | trixie | fixed | 78.7.0esr-1 |
References
Verify integrity in audit chain (admin only). AS-IS.