Technical Severity
HIGH
CVSS v3.1 Metrics
8.8
/ 10
Minimal Risk
Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitation Likelihood
EPSS Prediction
81.28
%
Predictive Probability
Percentile Rank
99.1
th
Documented as more likely to be exploited than 99.1% of known CVEs.
Detection Date
May 23, 2022
Remediation Due
Jun 13, 2022
CISA Catalog Active
Threat Analysis
Mozilla Firefox and Thunderbird contain a type confusion vulnerability that can occur when manipulating JavaScript objects due to issues in Array.pop, allowing for an exploitable crash.
Remediation Directive
Apply updates per vendor instructions.