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 thunderbirdUpgrade firefox-x11Upgrade firefox | May 30, 2025 | May 27, 2025 |
| Amazon Linux Ami 2 | — | Upgrade firefox-debuginfoUpgrade thunderbirdUpgrade thunderbird-debuginfoUpgrade firefox | Jun 12, 2025 | May 27, 2025 |
| Amazon_linux_2023 | — | Upgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade firefox | Jun 11, 2025 | May 27, 2025 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | May 29, 2025 | May 27, 2025 |
| Freebsd | — | Upgrade thunderbirdUpgrade firefoxUpgrade 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 thunderbirdUpgrade firefoxUpgrade firefox-x11 | May 30, 2025 | May 27, 2025 |
| Redhat_linux | — | Upgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoNo solution existsUpgrade firefoxUpgrade thunderbirdUpgrade firefox-x11Upgrade firefox-debuginfoUpgrade firefox-debugsource | May 30, 2025 | May 27, 2025 |
| Rocky_linux | — | Upgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade firefox-x11Upgrade thunderbird-debuginfoUpgrade thunderbird-debugsourceUpgrade thunderbirdUpgrade firefox | Jul 31, 2025 | Jul 29, 2025 |
| Suse | — | Upgrade mozillafirefox-develUpgrade mozjs128Upgrade mozillafirefoxUpgrade mozillafirefox-translations-otherUpgrade mozillafirefox-translations-commonUpgrade mozillathunderbirdUpgrade mozillathunderbird-translations-otherUpgrade mozjs128-develUpgrade mozillafirefox-branding-upstreamUpgrade mozillathunderbird-translations-commonUpgrade libmozjs-128-0 | Jun 3, 2025 | May 27, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jun 26, 2025 | May 27, 2025 |
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