Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2025-0247

Memory safety bugs present in Firefox 133 and Thunderbird 133. 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 134 and Thunderbird 134.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.154
EPSS Ranking 94.7%
CVSS Severity
CVSS v3 Score 9.8
Products affected by CVE-2025-0247


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