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CVE-2026-5735

—
CVSS 3.1
9.8 critical
EPSS
<1%p17
Published
()
Modified
Description

Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. 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 149.0.2 and Thunderbird 149.0.2.

Vendors
mozilla
Products
firefox, thunderbird
Weakness
CWE-787, CWE-125
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 (0.3%)

In the news

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