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Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5. 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 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade firefoxUpgrade thunderbirdUpgrade firefox-x11 | Jan 13, 2025 | Jan 7, 2025 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Jan 10, 2025 | Jan 7, 2025 |
| Freebsd | — | Upgrade firefoxUpgrade firefox-esrUpgrade thunderbirdUpgrade librewolf | Apr 6, 2025 | Apr 4, 2025 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird-bin.Upgrade mail-client/thunderbird.Upgrade www-client/firefox-bin.Upgrade www-client/firefox.Upgrade dev-lang/spidermonkey. | Jan 24, 2025 | Jan 7, 2025 |
| Mfsa2025 01 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 134.0 | Jan 8, 2025 | Jan 7, 2025 |
| Mfsa2025 02 | — | Upgrade to Mozilla Firefox ESR version 128.6Upgrade to the latest version of Mozilla Firefox | Jan 8, 2025 | Jan 7, 2025 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 128.6 | Jan 10, 2025 | Jan 7, 2025 |
| Oracle_linux | — | Upgrade firefoxUpgrade firefox-x11Upgrade thunderbird | Jan 10, 2025 | Jan 7, 2025 |
| Redhat_linux | — | Upgrade firefox-debugsourceUpgrade firefox-debuginfoNo solution existsUpgrade firefox-x11Upgrade thunderbird-debuginfoUpgrade thunderbirdUpgrade firefoxUpgrade thunderbird-debugsource | Jan 10, 2025 | Jan 7, 2025 |
| Rocky_linux | — | Upgrade thunderbirdUpgrade thunderbird-debugsourceUpgrade firefox-debuginfoUpgrade firefox-debugsourceUpgrade firefoxUpgrade thunderbird-debuginfo | Jan 13, 2025 | Jan 7, 2025 |
| Suse | — | Upgrade MozillaThunderbirdUpgrade MozillaFirefoxUpgrade libmozjs-128-0Upgrade mozjs128-develUpgrade MozillaFirefox-translations-commonUpgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefox-develUpgrade MozillaThunderbird-translations-commonUpgrade mozjs128Upgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-translations-other | Jan 10, 2025 | Jan 7, 2025 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Jan 10, 2025 | Jan 7, 2025 |
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