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 seamonkeyUpgrade libxulUpgrade thunderbirdUpgrade linux-seamonkeyUpgrade firefoxUpgrade linux-thunderbirdUpgrade waterfoxUpgrade firefox-esrUpgrade linux-firefox | Jul 11, 2019 | Jul 9, 2019 |
| Gentoo Linux | — | Upgrade www-client/firefox-bin.Upgrade www-client/firefox. | Aug 16, 2019 | Jul 23, 2019 |
| Mfsa2019 21 | — | Upgrade to Mozilla Firefox version 68.0Upgrade 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 | Sep 11, 2019 | Jul 23, 2019 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jul 23, 2019 |
| Suse | — | Upgrade libfreebl3-32bitUpgrade firefox-gdk-pixbuf-langUpgrade MozillaThunderbird-translations-commonUpgrade mozilla-nss-toolsUpgrade mozillafirefox-branding-sleUpgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-translations-otherUpgrade MozillaThunderbirdUpgrade mozilla-nspr-develUpgrade firefox-gtk3-immodule-amharicUpgrade firefox-gtk3-dataUpgrade firefox-gtk3-immodule-vietnameseUpgrade enigmailUpgrade libsoftokn3-32bitUpgrade MozillaFirefox-translations-commonUpgrade firefox-libatk-1_0-0Upgrade libfirefox-glib-2_0-0Upgrade libsoftokn3Upgrade libfirefox-gthread-2_0-0Upgrade firefox-gtk3-langUpgrade mozillafirefox-buildsymbolsUpgrade firefox-gtk3-immodule-ximUpgrade firefox-libffi4Upgrade firefox-libgdk_pixbuf-2_0-0Upgrade MozillaFirefoxUpgrade firefox-libcairo2Upgrade libfirefox-gio-2_0-0Upgrade mozilla-nss-develUpgrade firefox-gtk3-immodules-tigrignaUpgrade mozilla-nssUpgrade firefox-gtk3-branding-upstreamUpgrade mozilla-nss-certs-32bitUpgrade firefox-libcairo-gobject2Upgrade mozilla-nss-certsUpgrade mozilla-nss-32bitUpgrade firefox-libffi7Upgrade mozilla-nspr-32bitUpgrade firefox-gtk3-immodule-multipressUpgrade firefox-atk-langUpgrade firefox-gtk3-immodule-thaiUpgrade firefox-gio-branding-upstreamUpgrade libfreebl3Upgrade libfirefox-gmodule-2_0-0Upgrade firefox-libharfbuzz0Upgrade firefox-gtk3-immodule-inuktitutUpgrade firefox-gtk3-toolsUpgrade firefox-libpango-1_0-0Upgrade mozilla-nsprUpgrade MozillaFirefox-branding-SLEDUpgrade firefox-glib2-langUpgrade libfirefox-gobject-2_0-0Upgrade MozillaThunderbird-buildsymbolsUpgrade firefox-libgtk-3-0Upgrade firefox-gdk-pixbuf-thumbnailerUpgrade firefox-glib2-toolsUpgrade MozillaFirefox-develUpgrade firefox-gdk-pixbuf-query-loaders | Oct 8, 2019 | Jul 9, 2019 |
| Ubuntu | — | Upgrade firefox | Jul 13, 2019 | Jul 9, 2019 |
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