CVE-2020-26978
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
Using techniques that built on the slipstream research, a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-26978
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-26978.html
Vendor advisory: arch — https://security.archlinux.org/ASA-202012-25
Vendor advisory: arch — https://security.archlinux.org/ASA-202012-23
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 78.6.0-1 | |
| sles | affected | | |
| debian | sid | fixed | 84.0-1 |
| debian | bookworm | fixed | 78.6.0esr-1 |
| debian | bullseye | fixed | 78.6.0esr-1 |
| debian | forky | fixed | 78.6.0esr-1 |
| debian | trixie | fixed | 78.6.0esr-1 |
References
Verify integrity in audit chain (admin only). AS-IS.