medium4.3
CVE-2021-29961
When styling and rendering an oversized `<select>` element, Firefox did not apply correct clipping which allowed an attacker to paint over the user interface.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | from 78.11.0 before 89.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.mozilla.org/show_bug.cgi?id=1700235
- https://security.gentoo.org/glsa/202107-09
- https://www.mozilla.org/security/advisories/mfsa2021-23/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1700235
- https://security.gentoo.org/glsa/202107-09
- https://www.mozilla.org/security/advisories/mfsa2021-23/