The bufferdata function in WebGL is vulnerable to a buffer overflow with specific graphics drivers on Linux. This could result in malicious content freezing a tab or triggering a potentially exploitable crash. *Note: this issue only occurs on Linux. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade firefox-esr | Nov 8, 2019 | Jul 23, 2019 |
| Amazon Linux Ami 2 | — | Upgrade thunderbirdUpgrade thunderbird-debuginfo | Apr 27, 2020 | Jul 23, 2019 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jul 23, 2019 |
| Centos_linux | — | Upgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade thunderbirdUpgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoUpgrade firefox | May 31, 2019 | May 21, 2019 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | May 23, 2019 | May 23, 2019 |
| Freebsd | — | Upgrade waterfoxUpgrade linux-firefoxUpgrade linux-seamonkeyUpgrade linux-thunderbirdUpgrade firefox-esrUpgrade libxulUpgrade thunderbirdUpgrade firefoxUpgrade seamonkey | May 23, 2019 | May 22, 2019 |
| Mfsa2019 13 | — | Upgrade to Mozilla Firefox version 67.0Upgrade to the latest version of Mozilla Firefox | May 22, 2019 | May 21, 2019 |
| Mfsa2019 14 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 60.7 | May 22, 2019 | May 21, 2019 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 60.7Upgrade to the latest version of Mozilla Thunderbird | May 23, 2019 | May 21, 2019 |
| Oracle Solaris | — | Upgrade web/browser/firefox to version 60.7.0-11.4.10.0.1.2.0 on Solaris 11.4Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 60.7.0-11.4.10.0.1.2.0 on Solaris 11.4Upgrade mail/thunderbird to version 60.7.0-11.4.10.0.1.2.0 on Solaris 11.4Upgrade web/data/firefox-bookmarks to version 60.7.0-11.4.10.0.1.2.0 on Solaris 11.4 | Jun 26, 2019 | Jun 26, 2019 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox | May 24, 2019 | May 22, 2019 |
| Redhat_linux | — | Upgrade firefox-debugsourceUpgrade firefoxUpgrade thunderbird-debuginfoUpgrade thunderbird-debugsourceUpgrade thunderbirdUpgrade firefox-debuginfo | May 24, 2019 | May 23, 2019 |
| Suse | — | Upgrade MozillaThunderbird-buildsymbolsUpgrade MozillaFirefox-translations-commonUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefoxUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-translations-otherUpgrade mozillafirefox-branding-upstreamUpgrade MozillaThunderbirdUpgrade mozillafirefox-buildsymbolsUpgrade MozillaFirefox-devel | May 31, 2019 | May 21, 2019 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | May 22, 2019 | May 21, 2019 |
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