An attacker was able to perform an out-of-bounds read or write on a JavaScript `Promise` object. This vulnerability was fixed in Firefox 138.0.4, Firefox ESR 128.10.1, Firefox ESR 115.23.1, Thunderbird 128.10.2, and Thunderbird 138.0.2.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade firefoxUpgrade firefox-x11Upgrade thunderbird | May 22, 2025 | May 17, 2025 |
| Amazon Linux Ami 2 | — | Upgrade firefoxUpgrade thunderbirdUpgrade firefox-debuginfoUpgrade thunderbird-debuginfo | Jun 12, 2025 | May 17, 2025 |
| Amazon_linux_2023 | — | Upgrade firefox-debuginfoUpgrade firefox-debugsourceUpgrade firefox | Jun 11, 2025 | May 17, 2025 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | May 20, 2025 | May 17, 2025 |
| Freebsd | — | Upgrade firefoxUpgrade firefox-esr | May 20, 2025 | May 19, 2025 |
| Mfsa2025 36 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 138.0.4 | May 20, 2025 | May 17, 2025 |
| Mfsa2025 37 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 128.10.1 | May 20, 2025 | May 17, 2025 |
| Mfsa2025 38 | — | Upgrade to Mozilla Firefox ESR version 115.23.1Upgrade to the latest version of Mozilla Firefox | May 20, 2025 | May 17, 2025 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 138.0.2Upgrade to the latest version of Mozilla Thunderbird | May 26, 2025 | May 17, 2025 |
| Oracle_linux | — | Upgrade firefox-x11Upgrade firefoxUpgrade thunderbird | May 26, 2025 | May 17, 2025 |
| Redhat_linux | — | Upgrade firefox-x11Upgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade thunderbird-debugsourceUpgrade firefoxUpgrade firefox-debugsourceNo solution existsUpgrade thunderbird | May 22, 2025 | May 17, 2025 |
| Rocky_linux | — | Upgrade firefoxUpgrade thunderbird-debuginfoUpgrade firefox-debugsourceUpgrade thunderbird-debugsourceUpgrade firefox-debuginfoUpgrade thunderbird | Jul 31, 2025 | Jul 29, 2025 |
| Suse | — | Upgrade MozillaThunderbirdUpgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefox-develUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefoxUpgrade MozillaFirefox-translations-commonUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-translations-common | May 26, 2025 | May 17, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jun 26, 2025 | May 17, 2025 |
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