Memory Safety Vulnerability in Firefox by Mozilla
CVE-2026-14241

Currently unrated

Key Information:

Vendor: Mozilla
Status: Firefox
Vendor: CVE Published:; 30 June 2026

What is CVE-2026-14241?

A memory safety vulnerability exists in Firefox versions prior to 152.0.4, where certain bugs could potentially lead to memory corruption. If exploited, these bugs might allow attackers to execute arbitrary code within the context of the browser, posing significant security risks. The issue was identified and subsequently addressed in Firefox version 152.0.4, which mitigated the risks associated with these vulnerabilities. For detailed information, refer to Mozilla's security advisories.

Affected Version(s)

Firefox 152.0.4

References

https://bugzilla.mozilla.org/buglist.cgi?bug_id=2043241%2...

https://bugzilla.mozilla.org/show_bug.cgi?id=2046814

https://www.mozilla.org/security/advisories/mfsa2026-62/

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Jun 30, 2026
Vulnerability Reserved
Jun 30, 2026

Credit

Christian Holler, Gabriele Svelto, Greg Stoll and the Mozilla Fuzzing Team

CVE-2026-14241 Data

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