A use-after-free vulnerability can occur when working with XMLHttpRequest (XHR) in an event loop, causing the XHR main thread to be called after it has been freed. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade firefox-esr | Nov 8, 2019 | Jul 23, 2019 |
| Amazon Linux Ami 2 | — | Upgrade thunderbird-debuginfoUpgrade thunderbird | 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 thunderbird-debugsourceUpgrade firefox-debuginfoUpgrade thunderbirdUpgrade firefoxUpgrade firefox-debugsourceUpgrade thunderbird-debuginfo | May 31, 2019 | May 21, 2019 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | May 23, 2019 | May 23, 2019 |
| Freebsd | — | Upgrade firefoxUpgrade linux-seamonkeyUpgrade firefox-esrUpgrade thunderbirdUpgrade seamonkeyUpgrade libxulUpgrade linux-firefoxUpgrade waterfoxUpgrade linux-thunderbird | 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 mail/thunderbird/plugin/thunderbird-lightning 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 11.4Upgrade mail/thunderbird to version 60.7.0-11.4.10.0.1.2.0 on Solaris 11.4Upgrade web/browser/firefox 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 thunderbirdUpgrade firefoxUpgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade thunderbird-debugsourceUpgrade thunderbird-debuginfo | May 24, 2019 | May 23, 2019 |
| Suse | — | Upgrade MozillaThunderbirdUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefox-develUpgrade MozillaFirefoxUpgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefox-translations-commonUpgrade mozillafirefox-buildsymbolsUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-buildsymbols | Jun 1, 2019 | May 21, 2019 |
| Ubuntu | — | Upgrade firefoxUpgrade thunderbird | May 22, 2019 | May 21, 2019 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub