Improper Input Validation in Firefox's Layout: Grid Component
CVE-2026-84126

Currently unrated

Key Information:

Vendor

Mozilla

Status
Vendor
CVE Published:
1 September 2026

What is CVE-2026-84126?

This vulnerability arises from inadequate boundary conditions in the Layout: Grid component of Mozilla's Firefox. This flaw could potentially allow attackers to exploit the issue through specially crafted input, impacting the integrity of the application. Mozilla addressed this issue in Firefox version 155, reinforcing the need for regular updates to maintain product security.

Affected Version(s)

Firefox 155

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Irvan Kurniawan
.