CVE-2018-4247 json
An issue was discovered in certain Apple products.
published 2018-06-08 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-16033
- cvss
- 6.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- apple safari 11.1.1
- apple iphone_os 11.4
Exploit prediction
1.43% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
support.apple.com
/HT208854
vendor-advisory
-
support.apple.com
/HT208848
vendor-advisory
-
twitter.com
/Nate_Kappa/status/1004399403220766725
third-party-advisory
-
securityfocus.com
/bid/104366
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1041029
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-4247
- NVD CVE-2018-4247
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.