CVE-2018-4439 json
A logic issue was addressed with improved validation.
published 7y ago modified 4mo ago also EUVD-2018-16225
- cvss
- 6.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
A logic issue was addressed with improved validation. This issue affected versions prior to iOS 12.1.1, Safari 12.0.2, iTunes 12.9.2 for Windows, iCloud for Windows 7.9.
Patch / fix
- apple safari 12.0.2
- apple icloud 7.9
- apple itunes 12.9.2
- apple iphone_os 12.1.1
Is CVE-2018-4439 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.94% chance of exploitation in the next 30 days, higher than 80% 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:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- n/a iOS, Safari, iTunes for Windows, iCloud for Windows
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
support.apple.com
/kb/HT209340
vendor-advisory
-
support.apple.com
/kb/HT209344
vendor-advisory
-
support.apple.com
/kb/HT209346
vendor-advisory
-
support.apple.com
/kb/HT209345
vendor-advisory
Sources
- CVE List CVE-2018-4439
- NVD CVE-2018-4439
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.