CVE-2025-4082

Published: Apr 29, 2025Modified: Apr 13, 2026

5.9

Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability: 2.2 / Impact: 3.6

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

Modification of specific WebGL shader attributes could trigger an out-of-bounds read, which, when chained with other vulnerabilities, could be used to escalate privileges. *This bug only affects Thunderbird for macOS. Other versions of Thunderbird are unaffected.*. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10.

Affected (5)

Products: Mozilla: Firefox, Thunderbird

Mozilla

2 products

Firefox

Thunderbird

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Mozilla Firefox	Before 138.0
Mozilla Firefox	Before 115.23
Mozilla Firefox	From 128.0 to 128.10
Mozilla Thunderbird	Before 138.0
Mozilla Thunderbird	Before 128.10.0