CVE-2018-4247

6.5 mediumEPSS 1.4%

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. The issue involves the "Safari" component. It allows remote attackers to cause a denial of service (persistent Safari outage) via a crafted web site.

Severity

CVSS 3.0

6.5 medium

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 73% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2018-06-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apple:iphone_os
apple:safari

References

http://www.securityfocus.com/bid/104366
http://www.securitytracker.com/id/1041029
https://support.apple.com/HT208848
https://support.apple.com/HT208854
https://twitter.com/Nate_Kappa/status/1004399403220766725

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