CVE-2025-9185

🔴 HIGH

Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. Some of these bugs showed evide...

Published
Aug 19, 2025
Last Modified
Aug 21, 2025
Views
9
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Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, 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, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.

Affected Products (4)

mozilla - firefox

Version: *

mozilla - firefox

Version: *

mozilla - thunderbird

Version: *

mozilla - thunderbird

Version: *

CVSS Scores

CVSS 3.1 8.1
8.1
HIGH
CVSS 2.0 8.1

Additional Information

Source
security@mozilla.org
State
Analyzed

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