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 firefox-x11Upgrade thunderbirdUpgrade firefox | May 13, 2025 | Apr 29, 2025 |
| Amazon Linux Ami 2 | — | Upgrade thunderbirdUpgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade firefox | May 30, 2025 | Apr 29, 2025 |
| Amazon_linux_2023 | — | Upgrade firefox-debuginfoUpgrade firefox-debugsourceUpgrade firefox | Jun 3, 2025 | Apr 29, 2025 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | May 2, 2025 | Apr 29, 2025 |
| Freebsd | — | Upgrade thunderbirdUpgrade firefox-esr | May 15, 2025 | May 14, 2025 |
| Mfsa2025 29 | — | Upgrade to Mozilla Firefox ESR version 128.10Upgrade to the latest version of Mozilla Firefox | Apr 30, 2025 | Apr 29, 2025 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 128.10Upgrade to the latest version of Mozilla Thunderbird | Apr 30, 2025 | Apr 29, 2025 |
| Oracle_linux | — | Upgrade firefoxUpgrade thunderbirdUpgrade firefox-x11 | May 6, 2025 | Apr 29, 2025 |
| Redhat_linux | — | Upgrade thunderbirdUpgrade firefox-debuginfoUpgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoUpgrade firefox-debugsourceUpgrade firefoxNo solution existsUpgrade firefox-x11 | May 6, 2025 | Apr 29, 2025 |
| Rocky_linux | — | Upgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade thunderbirdUpgrade firefoxUpgrade firefox-x11Upgrade firefox-debugsource | Jul 31, 2025 | Jul 29, 2025 |
| Suse | — | Upgrade mozillafirefox-branding-upstreamUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefox-develUpgrade MozillaThunderbirdUpgrade MozillaFirefoxUpgrade MozillaFirefox-translations-commonUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-translations-other | May 5, 2025 | Apr 29, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jul 23, 2025 | Apr 29, 2025 |
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