Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Thunderbird 150, and Firefox ESR 140.10.1.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade firefox-x11Upgrade firefoxUpgrade thunderbird | May 24, 2026 | May 20, 2026 |
| Amazon Linux Ami 2 | — | Upgrade thunderbirdUpgrade firefox | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | May 3, 2026 | May 3, 2026 |
| Freebsd | — | Upgrade firefox-esrUpgrade firefoxUpgrade thunderbird | Apr 30, 2026 | Apr 29, 2026 |
| Mfsa2026 30 | — | Upgrade to Mozilla Firefox version 150.0 | Apr 29, 2026 | Apr 21, 2026 |
| Mfsa2026 36 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 140.10.1 | Apr 28, 2026 | Apr 28, 2026 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 140.10.1 | Apr 29, 2026 | Apr 21, 2026 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox | May 28, 2026 | Apr 28, 2026 |
| Redhat_linux | — | Upgrade firefoxUpgrade thunderbirdUpgrade thunderbird-debugsourceNo solution existsUpgrade firefox-debuginfoUpgrade firefox-debugsourceUpgrade firefox-x11Upgrade thunderbird-debuginfo | May 20, 2026 | Apr 28, 2026 |
| Rocky_linux | — | Upgrade firefoxUpgrade firefox-debuginfoUpgrade thunderbirdUpgrade thunderbird-debuginfoUpgrade firefox-x11Upgrade thunderbird-debugsourceUpgrade firefox-debugsource | May 25, 2026 | May 23, 2026 |
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