Memory safety bugs present in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 139, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.
CVSS Details
- CVSS 3.1 Base Score: 8.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/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 thunderbirdUpgrade firefox-x11 | May 30, 2025 | May 27, 2025 |
| Amazon Linux Ami 2 | — | Upgrade thunderbird-debuginfoUpgrade thunderbirdUpgrade firefoxUpgrade firefox-debuginfo | Jun 12, 2025 | May 27, 2025 |
| Amazon_linux_2023 | — | Upgrade firefoxUpgrade firefox-debuginfoUpgrade firefox-debugsource | Jun 11, 2025 | May 27, 2025 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | May 29, 2025 | May 27, 2025 |
| Freebsd | — | Upgrade firefoxUpgrade thunderbirdUpgrade firefox-esr | May 31, 2025 | May 30, 2025 |
| Mfsa2025 42 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 139.0 | May 28, 2025 | May 27, 2025 |
| Mfsa2025 44 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 128.11 | May 28, 2025 | May 27, 2025 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 128.11 | May 28, 2025 | May 27, 2025 |
| Oracle_linux | — | Upgrade firefoxUpgrade thunderbirdUpgrade firefox-x11 | May 30, 2025 | May 27, 2025 |
| Redhat_linux | — | Upgrade firefox-debugsourceUpgrade thunderbird-debuginfoUpgrade firefox-x11Upgrade firefox-debuginfoUpgrade firefoxNo solution existsUpgrade thunderbird-debugsourceUpgrade thunderbird | May 30, 2025 | May 27, 2025 |
| Rocky_linux | — | Upgrade thunderbirdUpgrade thunderbird-debugsourceUpgrade firefoxUpgrade firefox-x11Upgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade thunderbird-debuginfo | Jul 31, 2025 | Jul 29, 2025 |
| Suse | — | Upgrade mozillafirefox-branding-upstreamUpgrade libmozjs-128-0Upgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-develUpgrade mozjs128-develUpgrade MozillaFirefox-translations-commonUpgrade MozillaThunderbirdUpgrade MozillaFirefoxUpgrade MozillaThunderbird-translations-commonUpgrade mozjs128Upgrade MozillaFirefox-translations-other | Jun 3, 2025 | May 27, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jun 26, 2025 | May 27, 2025 |
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