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CVE-2025-5272

nvd nist
Published: May 27, 2025Modified: Apr 13, 2026

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7.3
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Exploitability: 3.9 / Impact: 3.4
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

Memory safety bugs present in Firefox 138 and Thunderbird 138. 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 139 and Thunderbird 139.

Affected (2)

Mozilla
2 products
Firefox
Thunderbird
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Firefox
Before 139.0
Thunderbird
Before 139.0

Related CWEs

CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

References (3)

Source: security@mozilla.org
Broken Link
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org

Timeline

No history available yet.