A use-after-free vulnerability can occur in HTTP/2 when a cached HTTP/2 stream is closed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
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 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 thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade firefoxUpgrade thunderbird-debugsourceUpgrade firefox-debugsourceUpgrade thunderbird | Jul 16, 2019 | Jul 9, 2019 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Jul 15, 2019 | Jul 15, 2019 |
| Freebsd | — | Upgrade firefox-esrUpgrade linux-thunderbirdUpgrade linux-firefoxUpgrade linux-seamonkeyUpgrade thunderbirdUpgrade seamonkeyUpgrade waterfoxUpgrade firefoxUpgrade libxul | Jul 11, 2019 | Jul 9, 2019 |
| Gentoo Linux | — | Upgrade www-client/firefox.Upgrade mail-client/thunderbird-bin.Upgrade mail-client/thunderbird.Upgrade www-client/firefox-bin. | Aug 16, 2019 | Jul 23, 2019 |
| Mfsa2019 21 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 68.0 | Jul 10, 2019 | Jul 9, 2019 |
| Mfsa2019 22 | — | Upgrade to Mozilla Firefox ESR version 60.8Upgrade to the latest version of Mozilla Firefox | Jul 10, 2019 | Jul 9, 2019 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 68.0Upgrade to the latest version of Mozilla Thunderbird | Jul 12, 2019 | Jul 9, 2019 |
| Oracle Solaris | — | Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 60.8.0-11.4.12.0.1.3.0 on Solaris 11.4Upgrade web/browser/firefox to version 60.8.0-11.4.12.0.1.3.0 on Solaris 11.4Upgrade mail/thunderbird to version 60.8.0-11.4.12.0.1.3.0 on Solaris 11.4Upgrade web/data/firefox-bookmarks to version 60.8.0-11.4.12.0.1.3.0 on Solaris 11.4 | Aug 21, 2019 | Jul 23, 2019 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox | Jul 12, 2019 | Jul 10, 2019 |
| Redhat_linux | — | Upgrade firefox-debugsourceNo solution existsUpgrade thunderbird-debugsourceUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade firefoxUpgrade thunderbird | Jul 12, 2019 | Jul 11, 2019 |
| Suse | — | Upgrade libfreebl3-32bitUpgrade mozilla-nspr-32bitUpgrade MozillaFirefox-translations-otherUpgrade firefox-glib2-toolsUpgrade firefox-gtk3-immodule-vietnameseUpgrade MozillaFirefoxUpgrade libsoftokn3-hmacUpgrade libsoftokn3Upgrade firefox-libharfbuzz0Upgrade mozillafirefox-branding-sleUpgrade MozillaThunderbird-translations-otherUpgrade firefox-libgdk_pixbuf-2_0-0Upgrade libfreebl3Upgrade mozilla-nss-certsUpgrade firefox-gtk3-langUpgrade firefox-gtk3-immodule-multipressUpgrade libfirefox-gio-2_0-0Upgrade firefox-libatk-1_0-0Upgrade firefox-libpango-1_0-0Upgrade mozilla-nss-certs-32bitUpgrade enigmailUpgrade firefox-gtk3-immodule-inuktitutUpgrade firefox-gdk-pixbuf-thumbnailerUpgrade firefox-glib2-langUpgrade firefox-gtk3-immodule-thaiUpgrade mozilla-nss-develUpgrade mozilla-nss-sysinit-32bitUpgrade MozillaThunderbird-buildsymbolsUpgrade mozilla-nss-32bitUpgrade firefox-gtk3-immodule-amharicUpgrade mozilla-nss-toolsUpgrade MozillaThunderbirdUpgrade firefox-gtk3-dataUpgrade firefox-gio-branding-upstreamUpgrade MozillaFirefox-develUpgrade libfreebl3-hmac-32bitUpgrade firefox-gtk3-toolsUpgrade firefox-libcairo2Upgrade firefox-gtk3-branding-upstreamUpgrade libfreebl3-hmacUpgrade firefox-libcairo-gobject2Upgrade libfirefox-gobject-2_0-0Upgrade firefox-gtk3-immodules-tigrignaUpgrade MozillaFirefox-translations-commonUpgrade firefox-libffi4Upgrade firefox-libgtk-3-0Upgrade mozilla-nssUpgrade mozilla-nss-sysinitUpgrade firefox-libffi7Upgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefox-branding-SLEDUpgrade mozilla-nsprUpgrade firefox-gdk-pixbuf-langUpgrade firefox-gtk3-immodule-ximUpgrade mozilla-nspr-develUpgrade libsoftokn3-32bitUpgrade firefox-atk-langUpgrade firefox-gdk-pixbuf-query-loadersUpgrade libsoftokn3-hmac-32bitUpgrade libfirefox-gmodule-2_0-0Upgrade libfirefox-gthread-2_0-0Upgrade mozillafirefox-branding-upstreamUpgrade libfirefox-glib-2_0-0Upgrade mozillafirefox-buildsymbols | Jul 18, 2019 | Jul 9, 2019 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Jul 13, 2019 | Jul 9, 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