CVE-2018-4303 json
An input validation issue was addressed with improved input validation.
published 2019-04-03 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-16089
- cvss
- 7.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
An input validation issue was addressed with improved input validation. This issue affected versions prior to macOS Mojave 10.14, iOS 12.1.1, macOS Mojave 10.14.2, tvOS 12.1.1, watchOS 5.1.2.
Patch / fix
- apple iphone_os 12.1.1
- apple mac_os_x 10.14
- apple tvos 12.1.1
- apple watchos 5.1.2
Exploit prediction
0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- n/a macOS, iOS, tvOS, watchOS
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
support.apple.com
/kb/HT209343
vendor-advisory
-
support.apple.com
/kb/HT209342
vendor-advisory
-
support.apple.com
/kb/HT209340
vendor-advisory
-
support.apple.com
/kb/HT209341
vendor-advisory
Sources
- CVE List CVE-2018-4303
- NVD CVE-2018-4303
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.