Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade thunderbirdUpgrade firefoxUpgrade firefox-x11 | Apr 16, 2026 | Apr 13, 2026 |
| Amazon Linux Ami 2 | — | Upgrade firefoxUpgrade thunderbird | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade firefox-debuginfoUpgrade firefox-debugsourceUpgrade firefox | May 4, 2026 | Apr 7, 2026 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | Apr 10, 2026 | Apr 10, 2026 |
| Freebsd | — | Upgrade firefoxUpgrade thunderbirdUpgrade firefox-esr | Apr 10, 2026 | Apr 9, 2026 |
| Mfsa2026 25 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 149.0.2 | Apr 8, 2026 | Apr 7, 2026 |
| Mfsa2026 27 | — | Upgrade to Mozilla Firefox ESR version 140.9.1Upgrade to the latest version of Mozilla Firefox | Apr 8, 2026 | Apr 7, 2026 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 140.9.1 | Apr 8, 2026 | Apr 7, 2026 |
| Oracle_linux | — | Upgrade firefoxUpgrade firefox-x11Upgrade thunderbird | Apr 22, 2026 | Apr 7, 2026 |
| Redhat_linux | — | Upgrade thunderbirdUpgrade firefoxUpgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade firefox-x11No solution existsUpgrade thunderbird-debuginfoUpgrade thunderbird-debugsource | Apr 14, 2026 | Apr 7, 2026 |
| Rocky_linux | — | Upgrade firefox-debugsourceUpgrade firefox-x11Upgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade thunderbird-debugsourceUpgrade firefoxUpgrade thunderbird | Apr 16, 2026 | Apr 15, 2026 |
| Suse | — | Upgrade MozillaThunderbird-translations-otherUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefox-develUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbirdUpgrade MozillaFirefox-translations-commonUpgrade MozillaFirefox | Apr 14, 2026 | Apr 11, 2026 |
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