Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade firefox-x11Upgrade firefox | May 27, 2026 | May 26, 2026 |
| Amazon Linux Ami 2 | — | Upgrade thunderbirdUpgrade firefox | Jun 8, 2026 | Jun 8, 2026 |
| Amazon_linux_2023 | — | Upgrade firefox-debugsourceUpgrade firefoxUpgrade firefox-debuginfo | May 28, 2026 | May 7, 2026 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | May 10, 2026 | May 10, 2026 |
| Freebsd | — | Upgrade firefoxUpgrade firefox-esr | May 13, 2026 | May 8, 2026 |
| Mfsa2026 40 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 150.0.2 | May 7, 2026 | May 7, 2026 |
| Mfsa2026 41 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 140.10.2 | May 7, 2026 | May 7, 2026 |
| Mfsa2026 42 | — | Upgrade to Mozilla Firefox ESR version 115.35.2Upgrade to the latest version of Mozilla Firefox | May 7, 2026 | May 7, 2026 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 140.10.2 | May 10, 2026 | May 8, 2026 |
| Oracle_linux | — | Upgrade firefox | May 28, 2026 | May 7, 2026 |
| Redhat_linux | — | Upgrade firefox-debugsourceUpgrade firefox-x11No solution existsUpgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade thunderbird-debugsourceUpgrade firefoxUpgrade thunderbird | May 20, 2026 | May 7, 2026 |
| Rocky_linux | — | Upgrade firefoxUpgrade firefox-debuginfoUpgrade firefox-debugsource | Jun 1, 2026 | May 29, 2026 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub