Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors. This allows malicious code to then be processed, evading cross-site scripting (XSS) filtering. This vulnerability affects Firefox < 68.
CVSS Details
- CVSS 3.1 Base Score: 6.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jul 23, 2019 |
| Freebsd | — | Upgrade linux-firefoxUpgrade waterfoxUpgrade firefox-esrUpgrade linux-thunderbirdUpgrade linux-seamonkeyUpgrade seamonkeyUpgrade firefoxUpgrade thunderbirdUpgrade libxul | Jul 11, 2019 | Jul 9, 2019 |
| Gentoo Linux | — | Upgrade www-client/firefox.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 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 68.0Upgrade to the latest version of Mozilla Thunderbird | Sep 11, 2019 | Jul 23, 2019 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jul 23, 2019 |
| Suse | — | Upgrade mozillafirefox-branding-sleUpgrade libfirefox-gthread-2_0-0Upgrade enigmailUpgrade firefox-gdk-pixbuf-langUpgrade mozilla-nss-toolsUpgrade libfirefox-glib-2_0-0Upgrade firefox-gtk3-dataUpgrade MozillaThunderbird-translations-otherUpgrade firefox-gtk3-immodule-amharicUpgrade MozillaThunderbirdUpgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefoxUpgrade MozillaThunderbird-translations-commonUpgrade firefox-gtk3-immodule-vietnameseUpgrade mozillafirefox-buildsymbolsUpgrade firefox-gtk3-langUpgrade libsoftokn3-32bitUpgrade firefox-libatk-1_0-0Upgrade firefox-libgdk_pixbuf-2_0-0Upgrade libsoftokn3Upgrade firefox-gtk3-immodule-ximUpgrade MozillaFirefox-translations-commonUpgrade libfreebl3-32bitUpgrade mozilla-nspr-develUpgrade firefox-libffi4Upgrade firefox-libcairo2Upgrade MozillaFirefox-translations-otherUpgrade mozilla-nss-32bitUpgrade firefox-gtk3-branding-upstreamUpgrade mozilla-nss-develUpgrade firefox-gdk-pixbuf-query-loadersUpgrade firefox-glib2-toolsUpgrade firefox-gdk-pixbuf-thumbnailerUpgrade mozilla-nspr-32bitUpgrade firefox-gtk3-immodule-multipressUpgrade firefox-libcairo-gobject2Upgrade libfreebl3Upgrade firefox-libffi7Upgrade mozilla-nsprUpgrade firefox-gtk3-toolsUpgrade firefox-gtk3-immodule-inuktitutUpgrade firefox-gio-branding-upstreamUpgrade libfirefox-gmodule-2_0-0Upgrade MozillaFirefox-develUpgrade firefox-libharfbuzz0Upgrade firefox-libgtk-3-0Upgrade libfirefox-gio-2_0-0Upgrade mozilla-nss-certs-32bitUpgrade firefox-libpango-1_0-0Upgrade libfirefox-gobject-2_0-0Upgrade MozillaThunderbird-buildsymbolsUpgrade mozilla-nss-certsUpgrade mozilla-nssUpgrade firefox-atk-langUpgrade firefox-gtk3-immodule-thaiUpgrade firefox-gtk3-immodules-tigrignaUpgrade MozillaFirefox-branding-SLEDUpgrade firefox-glib2-lang | Oct 8, 2019 | Jul 9, 2019 |
| Ubuntu | — | Upgrade firefox | Jul 13, 2019 | Jul 9, 2019 |
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