Invalid Pointer Vulnerability in Firefox by Mozilla
CVE-2026-124945

Currently unrated

Key Information:

Vendor: Mozilla
Status: Firefox
Vendor: CVE Published:; 10 November 2026

What is CVE-2026-124945?

A flaw exists in the Layout: Text and Fonts component of Mozilla Firefox that allows for an invalid pointer dereference, potentially leading to unexpected behaviors during rendering. The issue was identified and rectified in a recent update to Firefox version 160. Users are encouraged to update to the latest version to avoid potential exploitation of this vulnerability.

Affected Version(s)

Firefox 160

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2080119

https://www.mozilla.org/security/advisories/mfsa2026-125/

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Nov 10, 2026
Vulnerability Reserved
Nov 9, 2026

Credit

Mozilla

CVE-2026-124945 Data

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