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