Previewing a response in Devtools ignored CSP headers, which could have allowed content injection attacks. This vulnerability was fixed in Firefox 139 and Thunderbird 139.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade firefox | May 31, 2025 | May 30, 2025 |
| Mfsa2025 42 | — | Upgrade to Mozilla Firefox version 139.0Upgrade to the latest version of Mozilla Firefox | May 28, 2025 | May 27, 2025 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 139.0 | May 28, 2025 | May 27, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 27, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jun 26, 2025 | May 27, 2025 |
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