Mitigation bypass in the DOM: Security 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: 8.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade firefox-x11Upgrade firefoxUpgrade thunderbird | May 31, 2026 | May 27, 2026 |
| Amazon Linux Ami 2 | — | Upgrade firefoxUpgrade thunderbird | Jun 9, 2026 | Jun 9, 2026 |
| Amazon_linux_2023 | — | Upgrade firefoxUpgrade firefox-debugsourceUpgrade firefox-debuginfo | Jun 9, 2026 | May 19, 2026 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | May 24, 2026 | May 24, 2026 |
| 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 |
| Oracle_linux | — | Upgrade firefoxUpgrade thunderbird | May 29, 2026 | May 19, 2026 |
| Redhat_linux | — | Upgrade thunderbirdUpgrade thunderbird-debugsourceNo solution existsUpgrade firefoxUpgrade firefox-x11Upgrade firefox-debugsourceUpgrade thunderbird-debuginfoUpgrade firefox-debuginfo | Jun 3, 2026 | May 19, 2026 |
| Rocky_linux | — | Upgrade firefox-x11Upgrade thunderbirdUpgrade firefox-debugsourceUpgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade firefoxUpgrade thunderbird-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