Leaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks. This vulnerability was fixed in Firefox 137 and Thunderbird 137.
CVSS Details
- CVSS 3.1 Base Score: 7.4
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | freebsd-upgrade-package-firefoxfreebsd-upgrade-package-librewolffreebsd-upgrade-package-thunderbird | Apr 9, 2025 | Apr 7, 2025 | |
| Gentoo Linux | gentoo-linux-upgrade-dev-lang-spidermonkeygentoo-linux-upgrade-mail-client-thunderbirdgentoo-linux-upgrade-mail-client-thunderbird-bingentoo-linux-upgrade-www-client-firefoxgentoo-linux-upgrade-www-client-firefox-bin | May 13, 2025 | Apr 1, 2025 | |
| Mfsa2025 20 | mozilla-firefox-upgrade-137_0 | Apr 2, 2025 | Apr 1, 2025 | |
| Mozilla Thunderbird | mozilla-thunderbird-upgrade-137_0 | Apr 2, 2025 | Apr 1, 2025 | |
| Redhat_linux | — | no-fix-redhat-rpm-package | Jul 9, 2025 | Apr 1, 2025 |
| Ubuntu | ubuntu-upgrade-thunderbird | Jun 26, 2025 | Apr 1, 2025 |
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