CVE-2018-4274 json
A spoofing issue existed in the handling of URLs.
published 2019-04-03 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-16060
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
A spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation. This issue affected versions prior to iOS 11.4.1, Safari 11.1.2.
Patch / fix
- apple safari 11.1.2
- apple iphone_os 11.4.1
Exploit prediction
0.83% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Affected products
- n/a iOS, Safari
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
support.apple.com
/kb/HT208938
vendor-advisory
-
support.apple.com
/kb/HT208934
vendor-advisory
Sources
- CVE List CVE-2018-4274
- NVD CVE-2018-4274
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