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Description

Memory safety bugs present in Firefox 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 146.0.1.

PUBLISHED Reserved 2025-12-18 | Published 2025-12-18 | Updated 2025-12-20 | Assigner mozilla

Product status

Any version before 146.0.1
affected

Credits

Andrew McCreight and the Mozilla Fuzzing Team

References

bugzilla.mozilla.org/buglist.cgi?bug_id=1996570%2C1999700 (Memory safety bugs fixed in Firefox 146.0.1)

www.mozilla.org/security/advisories/mfsa2025-98/

cve.org (CVE-2025-14861)

nvd.nist.gov (CVE-2025-14861)

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Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.