Pointer Mismanagement in Firefox Security Component
CVE-2026-16409

Currently unrated

Key Information:

Vendor

Mozilla

Status
Vendor
CVE Published:
21 July 2026

What is CVE-2026-16409?

A vulnerability exists in the Security: PSM component of Firefox that can lead to pointer mismanagement. This issue may cause unintended behavior and impacts the overall security posture of the affected versions. Users are advised to upgrade to Firefox 153 or later to mitigate this risk effectively. For more detailed information, refer to the Mozilla security advisories.

Affected Version(s)

Firefox 153

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Artur Cygan
.