CVE-2021-29961
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
When styling and rendering an oversized `<select>` element, Firefox did not apply correct clipping which allowed an attacker to paint over the user interface. This vulnerability affects Firefox < 89.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-29961
Vendor advisory: arch — https://security.archlinux.org/ASA-202106-3
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 89.0-1 | |
| debian | sid | fixed | 89.0-1 |
References
Verify integrity in audit chain (admin only). AS-IS.