CVE-2025-9187

🚨 CRITICAL

Memory safety bugs present in Firefox 141 and Thunderbird 141. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to...

Published
Aug 19, 2025
Last Modified
Aug 21, 2025
Views
8
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Memory safety bugs present in Firefox 141 and Thunderbird 141. 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 < 142 and Thunderbird < 142.

Affected Products (2)

mozilla - firefox

Version: *

mozilla - thunderbird

Version: *

CVSS Scores

CVSS 3.1 9.8
9.8
CRITICAL
CVSS 2.0 9.8

Additional Information

Source
security@mozilla.org
State
Analyzed

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