0.002 Low
EPSS
Percentile
62.1%
firefox-esr:sid is vulnerable to arbitrary code execution. When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code.
bugzilla.mozilla.org/show_bug.cgi?id=1699835
security-tracker.debian.org/tracker/CVE-2021-23995
www.mozilla.org/security/advisories/mfsa2021-14/
www.mozilla.org/security/advisories/mfsa2021-15/
www.mozilla.org/security/advisories/mfsa2021-16/