Mozilla Firefox is a popular open-source web browser from the Mozilla project.
A use-after-free bug was discovered in Mozilla Firefox’s handling of SCTP.
A remote attacker could possibly execute arbitrary code with the privileges of the process, or cause a Denial of Service condition.
There is no known workaround at this time.
All Firefox ESR users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose
">=www-client/firefox-78.6.1:0/esr78"
All Firefox ESR binary users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose
">=www-client/firefox-bin-78.6.1:0/esr78"
All Firefox users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/firefox-84.0.2"
All Firefox binary users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/firefox-bin-84.0.2"