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Denial-of-service due to out-of-memory in the Graphics: WebRender component. This vulnerability was fixed in Firefox 142, Firefox ESR 140.2, Thunderbird 142, and Thunderbird 140.2.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade firefoxUpgrade firefox-x11Upgrade thunderbird | Aug 28, 2025 | Aug 25, 2025 |
| Amazon_linux_2023 | — | Upgrade firefoxUpgrade firefox-debuginfoUpgrade firefox-debugsource | Sep 9, 2025 | Aug 19, 2025 |
| Freebsd | — | Upgrade thunderbirdUpgrade firefoxUpgrade firefox-esr | Dec 10, 2025 | Nov 2, 2025 |
| Mfsa2025 64 | — | Upgrade to Mozilla Firefox version 142.0Upgrade to the latest version of Mozilla Firefox | Aug 21, 2025 | Aug 19, 2025 |
| Mfsa2025 67 | — | Upgrade to Mozilla Firefox ESR version 140.2Upgrade to the latest version of Mozilla Firefox | Aug 21, 2025 | Aug 19, 2025 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 140.2 | Aug 22, 2025 | Aug 19, 2025 |
| Oracle_linux | — | Upgrade firefoxUpgrade thunderbirdUpgrade firefox-x11 | Aug 26, 2025 | Aug 19, 2025 |
| Redhat_linux | — | Upgrade thunderbird-debuginfoUpgrade firefox-debugsourceUpgrade firefoxUpgrade firefox-debuginfoUpgrade firefox-x11Upgrade thunderbird-debugsourceUpgrade thunderbird | Aug 26, 2025 | Aug 19, 2025 |
| Rocky_linux | — | Upgrade thunderbird-debugsourceUpgrade firefoxUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade firefox-x11Upgrade firefox-debugsourceUpgrade thunderbird | Feb 5, 2026 | Sep 8, 2025 |
| Suse | — | Upgrade MozillaFirefoxUpgrade MozillaThunderbirdUpgrade MozillaFirefox-translations-commonUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-translations-otherUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefox-develUpgrade mozillafirefox-branding-upstream | Dec 5, 2025 | Aug 29, 2025 |
| Ubuntu | — | Upgrade thunderbird | Feb 4, 2026 | Feb 2, 2026 |
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