The HTTP Alternative Services header, Alt-Svc, can be used by a malicious site to scan all TCP ports of any host that the accessible to a user when web content is loaded. This vulnerability affects Firefox < 68.
CVSS Details
- CVSS 3.1 Base Score: 4.7
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Jul 23, 2019 | |
| Freebsd | freebsd-upgrade-package-firefoxfreebsd-upgrade-package-waterfoxfreebsd-upgrade-package-seamonkeyfreebsd-upgrade-package-linux-seamonkeyfreebsd-upgrade-package-firefox-esrfreebsd-upgrade-package-linux-firefoxfreebsd-upgrade-package-libxulfreebsd-upgrade-package-thunderbirdfreebsd-upgrade-package-linux-thunderbird | Jul 11, 2019 | Jul 9, 2019 | |
| Gentoo Linux | gentoo-linux-upgrade-www-client-firefoxgentoo-linux-upgrade-www-client-firefox-bin | Aug 16, 2019 | Jul 23, 2019 | |
| Mfsa2019 21 | mozilla-firefox-upgrade-68_0 | Jul 10, 2019 | Jul 9, 2019 | |
| Mozilla Thunderbird | mozilla-thunderbird-upgrade-68_0 | Sep 11, 2019 | Jul 23, 2019 | |
| Redhat_linux | no-fix-redhat-rpm-package | Jul 9, 2025 | Jul 23, 2019 | |
| Suse | — | suse-upgrade-enigmailsuse-upgrade-firefox-atk-langsuse-upgrade-firefox-gdk-pixbuf-langsuse-upgrade-firefox-gdk-pixbuf-query-loaderssuse-upgrade-firefox-gdk-pixbuf-thumbnailersuse-upgrade-firefox-gio-branding-upstreamsuse-upgrade-firefox-glib2-langsuse-upgrade-firefox-glib2-toolssuse-upgrade-firefox-gtk3-branding-upstreamsuse-upgrade-firefox-gtk3-datasuse-upgrade-firefox-gtk3-immodule-amharicsuse-upgrade-firefox-gtk3-immodule-inuktitutsuse-upgrade-firefox-gtk3-immodule-multipresssuse-upgrade-firefox-gtk3-immodule-thaisuse-upgrade-firefox-gtk3-immodule-vietnamesesuse-upgrade-firefox-gtk3-immodule-ximsuse-upgrade-firefox-gtk3-immodules-tigrignasuse-upgrade-firefox-gtk3-langsuse-upgrade-firefox-gtk3-toolssuse-upgrade-firefox-libatk-1_0-0suse-upgrade-firefox-libcairo-gobject2suse-upgrade-firefox-libcairo2suse-upgrade-firefox-libffi4suse-upgrade-firefox-libffi7suse-upgrade-firefox-libgdk_pixbuf-2_0-0suse-upgrade-firefox-libgtk-3-0suse-upgrade-firefox-libharfbuzz0suse-upgrade-firefox-libpango-1_0-0suse-upgrade-libfirefox-gio-2_0-0suse-upgrade-libfirefox-glib-2_0-0suse-upgrade-libfirefox-gmodule-2_0-0suse-upgrade-libfirefox-gobject-2_0-0suse-upgrade-libfirefox-gthread-2_0-0suse-upgrade-libfreebl3suse-upgrade-libfreebl3-32bitsuse-upgrade-libsoftokn3suse-upgrade-libsoftokn3-32bitsuse-upgrade-mozilla-nsprsuse-upgrade-mozilla-nspr-32bitsuse-upgrade-mozilla-nspr-develsuse-upgrade-mozilla-nsssuse-upgrade-mozilla-nss-32bitsuse-upgrade-mozilla-nss-certssuse-upgrade-mozilla-nss-certs-32bitsuse-upgrade-mozilla-nss-develsuse-upgrade-mozilla-nss-toolssuse-upgrade-mozillafirefoxsuse-upgrade-mozillafirefox-branding-slesuse-upgrade-mozillafirefox-branding-sledsuse-upgrade-mozillafirefox-branding-upstreamsuse-upgrade-mozillafirefox-buildsymbolssuse-upgrade-mozillafirefox-develsuse-upgrade-mozillafirefox-translations-commonsuse-upgrade-mozillafirefox-translations-othersuse-upgrade-mozillathunderbirdsuse-upgrade-mozillathunderbird-buildsymbolssuse-upgrade-mozillathunderbird-translations-commonsuse-upgrade-mozillathunderbird-translations-other | Oct 8, 2019 | Jul 9, 2019 |
| Ubuntu | ubuntu-upgrade-firefox | Jul 13, 2019 | Jul 9, 2019 |
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