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CVE-2025-9187

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CVSS 3.1
9.8 critical
EPSS
<1%p38
Published
()
Modified
Description

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 was fixed in Firefox 142 and Thunderbird 142.

Vendors
mozilla
Products
firefox, thunderbird
Weakness
CWE-119
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (0.4%)

In the news

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