CVE-2018-4367
CVSS v3
9.8
CRITICAL
EPSS Score
6.5 %
exploit probability, as of 2026-10-05
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1.
Technical details
- Published
- 2019-04-03
- Exploit-DB
- EDB-45787
Frequently asked questions
What is CVE-2018-4367?
A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1.
Is CVE-2018-4367 actively exploited?
Active exploitation of CVE-2018-4367 has not been confirmed. Its EPSS score was 6.5% on 2026-10-05, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-4367?
CVE-2018-4367 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2018-4367 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 50 free checks/month · Free API key
Other 2018 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).