CVSS v3
8.8
HIGH
EPSS Score
83.3 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
A type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop. This can allow for an exploitable crash. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 60.7.1, Firefox < 67.0.3, and Thunderbird < 60.7.2.
CISA Known Exploited Vulnerability
- Date Added
- 2022-05-23
- Patch Due Date
- 2022-06-13
- Ransomware Use
- Unknown
Frequently asked questions
What is CVE-2019-11707?
A type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop. This can allow for an exploitable crash. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 60.7.1, Firefox < 67.0.3, and Thunderbird < 60.7.2.
Is CVE-2019-11707 actively exploited?
Yes. CVE-2019-11707 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-06-13.
What is the CVSS score for CVE-2019-11707?
CVE-2019-11707 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2019-11707 affecting your environment?
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