EPSS
Percentile
97.7%
Firefox and Firefox ESR is vulnerable to denial of service attacks. This is because of the type confusion occur when manipulating JavaScript objects in object groups. An attacker could use this flaw to application crash.
access.redhat.com/errata/RHSA-2019:1267
access.redhat.com/security/updates/classification/#critical
www.mozilla.org/en-US/security/advisories/mfsa2019-14/