Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network’s hosts as well as services running on the user’s local machine. This vulnerability affects Firefox < 85.
[
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"status": "affected",
"version": "< 85"
}
]
}
]
bugzilla.mozilla.org/show_bug.cgi?id=1677940
lists.debian.org/debian-lts-announce/2021/04/msg00019.html
lists.debian.org/debian-lts-announce/2021/04/msg00020.html
security.gentoo.org/glsa/202104-09
security.gentoo.org/glsa/202104-10
www.debian.org/security/2021/dsa-4895
www.debian.org/security/2021/dsa-4897
www.mozilla.org/security/advisories/mfsa2021-03/