CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.

Remediation Deadline: May 3, 2022

CVE-2019-17026

High

EPSS 64.8%CISA KEV

Mozilla/Firefox and Thunderbird

Description

Mozilla Firefox and Thunderbird contain a type confusion vulnerability due to incorrect alias information in the IonMonkey JIT compiler when setting array elements.

EPSS — Exploit Probability

64.8%

Higher than 98.4% of all CVEs

Required Action

https://nvd.nist.gov/vuln/detail/CVE-2019-17026

Risk Assessment

HIGH

In CISA KEV

High EPSS

Details

Severity: High
EPSS: 64.8%
CISA KEV: Yes
Ransomware: Unknown
Articles: 0

Timeline

Published

Nov 3, 2021

Added to KEV

Nov 3, 2021

Remediation Due

May 3, 2022

Affected Product

Mozilla

Firefox and Thunderbird

View all Mozilla CVEs

External Links

NVD (NIST)CVE Details MITRE CVE