A race during concurrent delazification could have led to a use-after-free. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade firefox-x11Upgrade firefoxUpgrade thunderbird | Feb 11, 2025 | Feb 4, 2025 |
| Amazon Linux Ami 2 | — | Upgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade firefoxUpgrade thunderbird | Feb 26, 2025 | Feb 4, 2025 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Feb 7, 2025 | Feb 4, 2025 |
| Freebsd | — | Upgrade firefox-esrUpgrade thunderbirdUpgrade firefox | Feb 8, 2025 | Feb 7, 2025 |
| Mfsa2025 07 | — | Upgrade to Mozilla Firefox version 135.0Upgrade to the latest version of Mozilla Firefox | Feb 5, 2025 | Feb 4, 2025 |
| Mfsa2025 08 | — | Upgrade to Mozilla Firefox ESR version 115.20Upgrade to the latest version of Mozilla Firefox | Feb 5, 2025 | Feb 4, 2025 |
| Mfsa2025 09 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 128.7 | Feb 5, 2025 | Feb 4, 2025 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 135.0 | Feb 5, 2025 | Feb 4, 2025 |
| Oracle_linux | — | Upgrade firefox-x11Upgrade thunderbirdUpgrade firefox | Feb 10, 2025 | Feb 4, 2025 |
| Redhat_linux | — | Upgrade thunderbird-debugsourceNo solution existsUpgrade firefoxUpgrade firefox-debuginfoUpgrade firefox-x11Upgrade thunderbird-debuginfoUpgrade firefox-debugsourceUpgrade thunderbird | Feb 10, 2025 | Feb 4, 2025 |
| Rocky_linux | — | Upgrade thunderbirdUpgrade thunderbird-debuginfoUpgrade firefox-debugsourceUpgrade firefoxUpgrade firefox-debuginfoUpgrade thunderbird-debugsource | Feb 14, 2025 | Feb 4, 2025 |
| Suse | — | Upgrade MozillaThunderbird-translations-commonUpgrade mozjs128Upgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefoxUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-translations-commonUpgrade MozillaThunderbirdUpgrade MozillaFirefox-develUpgrade MozillaFirefox-translations-otherUpgrade libmozjs-128-0Upgrade mozjs128-devel | Feb 10, 2025 | Feb 4, 2025 |
| Ubuntu | — | Upgrade firefoxUpgrade thunderbird | Feb 12, 2025 | Feb 4, 2025 |
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