CVE-2021-29961

CVE-2021-29961

EPSS 0.8%

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

Mozilla · Firefox

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1700235 https://security.gentoo.org/glsa/202107-09 https://www.mozilla.org/security/advisories/mfsa2021-23/