Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox ESR 128.10 and Thunderbird 128.10.
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 13, 2025 | Apr 29, 2025 |
| Amazon Linux Ami 2 | — | Upgrade thunderbirdUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade firefox | May 30, 2025 | Apr 29, 2025 |
| Amazon_linux_2023 | — | Upgrade firefoxUpgrade firefox-debuginfoUpgrade firefox-debugsource | Jun 3, 2025 | Apr 29, 2025 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | May 2, 2025 | Apr 29, 2025 |
| Freebsd | — | Upgrade firefox-esrUpgrade thunderbird | May 15, 2025 | May 14, 2025 |
| Mfsa2025 29 | — | Upgrade to Mozilla Firefox ESR version 128.10 | Apr 30, 2025 | Apr 29, 2025 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 128.10 | Apr 30, 2025 | Apr 29, 2025 |
| Oracle_linux | — | Upgrade firefox-x11Upgrade firefoxUpgrade thunderbird | May 6, 2025 | Apr 29, 2025 |
| Redhat_linux | — | Upgrade firefoxUpgrade firefox-debugsourceUpgrade thunderbird-debuginfoNo solution existsUpgrade firefox-x11Upgrade thunderbird-debugsourceUpgrade thunderbirdUpgrade firefox-debuginfo | May 6, 2025 | Apr 29, 2025 |
| Rocky_linux | — | Upgrade thunderbirdUpgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade firefoxUpgrade firefox-debugsourceUpgrade firefox-x11 | Jul 31, 2025 | Jul 29, 2025 |
| Suse | — | Upgrade mozillathunderbirdUpgrade mozillafirefox-branding-upstreamUpgrade mozillafirefox-translations-otherUpgrade mozillathunderbird-translations-otherUpgrade mozillafirefox-develUpgrade mozillafirefox-translations-commonUpgrade mozillafirefoxUpgrade mozillathunderbird-translations-common | May 5, 2025 | Apr 29, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jul 23, 2025 | Apr 29, 2025 |
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