Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Mfsa2026 46 | — | Upgrade to Mozilla Firefox version 151.0Upgrade to the latest version of Mozilla Firefox | May 19, 2026 | May 19, 2026 |
| Mfsa2026 48 | — | Upgrade to Mozilla Firefox ESR version 140.11Upgrade to the latest version of Mozilla Firefox | May 19, 2026 | May 19, 2026 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 140.11 | May 20, 2026 | May 19, 2026 |
| Redhat_linux | — | — | Jul 17, 2026 | May 19, 2026 |
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