Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. 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 137, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade firefoxUpgrade firefox-x11Upgrade thunderbird | Apr 7, 2025 | Apr 1, 2025 |
| Amazon Linux Ami 2 | — | Upgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade firefoxUpgrade thunderbird | Apr 30, 2025 | Apr 1, 2025 |
| Amazon_linux_2023 | — | Upgrade firefoxUpgrade firefox-debuginfoUpgrade firefox-debugsource | Apr 30, 2025 | Apr 1, 2025 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | Apr 4, 2025 | Apr 1, 2025 |
| Freebsd | — | Upgrade firefoxUpgrade firefox-esr | Apr 9, 2025 | Apr 7, 2025 |
| Gentoo Linux | — | Upgrade www-client/firefox.Upgrade mail-client/thunderbird-bin.Upgrade dev-lang/spidermonkey.Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird. | May 13, 2025 | Apr 1, 2025 |
| Mfsa2025 20 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 137.0 | Apr 2, 2025 | Apr 1, 2025 |
| Mfsa2025 22 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 128.9 | Apr 2, 2025 | Apr 1, 2025 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 128.9Upgrade to the latest version of Mozilla Thunderbird | Apr 2, 2025 | Apr 1, 2025 |
| Oracle_linux | — | Upgrade firefox-x11Upgrade firefoxUpgrade thunderbird | Apr 4, 2025 | Apr 1, 2025 |
| Redhat_linux | — | Upgrade firefox-x11No solution existsUpgrade thunderbird-debugsourceUpgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade firefoxUpgrade thunderbird | Apr 4, 2025 | Apr 1, 2025 |
| Rocky_linux | — | Upgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoUpgrade firefox-debugsourceUpgrade thunderbirdUpgrade firefox-debuginfoUpgrade firefox | Jul 31, 2025 | Jul 29, 2025 |
| Suse | — | Upgrade mozjs128-develUpgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefox-develUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-translations-otherUpgrade libmozjs-128-0Upgrade MozillaThunderbirdUpgrade MozillaFirefoxUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefox-translations-commonUpgrade mozjs128 | Apr 3, 2025 | Apr 1, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jun 26, 2025 | Apr 1, 2025 |
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