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 firefox-x11Upgrade firefoxUpgrade thunderbird | May 30, 2025 | May 27, 2025 |
| Amazon Linux Ami 2 | — | Upgrade firefoxUpgrade firefox-debuginfoUpgrade thunderbirdUpgrade thunderbird-debuginfo | Jun 12, 2025 | May 27, 2025 |
| Amazon_linux_2023 | — | Upgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade firefox | 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 Mozilla Firefox version 139.0 | May 28, 2025 | May 27, 2025 |
| Mfsa2025 44 | — | Upgrade to Mozilla Firefox ESR version 128.11 | May 28, 2025 | May 27, 2025 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 128.11 | May 28, 2025 | May 27, 2025 |
| Oracle_linux | — | Upgrade firefox-x11Upgrade firefoxUpgrade thunderbird | May 30, 2025 | May 27, 2025 |
| Redhat_linux | — | Upgrade firefox-debugsourceNo solution existsUpgrade firefox-debuginfoUpgrade firefoxUpgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoUpgrade thunderbirdUpgrade firefox-x11 | May 30, 2025 | May 27, 2025 |
| Rocky_linux | — | Upgrade firefox-x11Upgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade firefox-debugsourceUpgrade thunderbird-debugsourceUpgrade thunderbirdUpgrade firefox | Jul 31, 2025 | Jul 29, 2025 |
| Suse | — | Upgrade mozillafirefox-translations-commonUpgrade mozillafirefox-develUpgrade mozillafirefox-translations-otherUpgrade mozjs128Upgrade mozillafirefoxUpgrade mozillathunderbird-translations-otherUpgrade mozillathunderbird-translations-commonUpgrade mozjs128-develUpgrade libmozjs-128-0Upgrade mozillathunderbirdUpgrade mozillafirefox-branding-upstream | Jun 3, 2025 | May 27, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jun 26, 2025 | May 27, 2025 |
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