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CVE-2025-8033

nvd nist
Published: Jul 22, 2025Modified: Apr 13, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Exploitability: 2.8 / Impact: 3.6
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

The JavaScript engine did not handle closed generators correctly and it was possible to resume them leading to a nullptr deref. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

Affected (7)

Mozilla
2 products
Firefox
Thunderbird
Configuration A
7 vulnerable
Vulnerable SoftwareAffected Versions
Mozilla
Firefox
Before 141.0
Firefox
Before 115.26.0
Firefox
From 128.0 to 128.13.0
Firefox
From 140.0 to 140.1.0
Mozilla
Thunderbird
Before 141.0
Thunderbird
Before 128.13.0
Thunderbird
From 140.0 to 140.1.0

Related CWEs

CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.

References (9)

Source: security@mozilla.org
Permissions Required
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.