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 was fixed in Firefox 146.0.1.
Affected products
mozilla: firefox
References2
- www.mozilla.org/security/advisories/mfsa2025-98/ Vendor Advisory
- bugzilla.mozilla.org/buglist.cgi?bug_id=1996570%2C1999700 Broken Link
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 17 · as of 11 November 2026
- CWE
- CWE-119
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