CVE-2018-4347 json
A use after free issue was addressed with improved memory management.
published 2019-04-03 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-16133
- cvss
- 7.8
- 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
A use after free issue was addressed with improved memory management. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5, iTunes 12.9 for Windows, iCloud for Windows 7.7.
Patch / fix
- apple icloud 7.7
- apple itunes 12.9
- apple iphone_os 12.0
- apple mac_os_x 10.14
- apple tvos 12
- apple watchos 5.0
Exploit prediction
1.44% 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 | 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 iOS, macOS, tvOS, watchOS, iTunes for Windows, iCloud for Windows
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
support.apple.com
/kb/HT209141
vendor-advisory
-
support.apple.com
/kb/HT209140
vendor-advisory
-
support.apple.com
/kb/HT209107
vendor-advisory
-
support.apple.com
/kb/HT209106
vendor-advisory
-
support.apple.com
/kb/HT209139
vendor-advisory
-
support.apple.com
/kb/HT209108
vendor-advisory
Sources
- CVE List CVE-2018-4347
- NVD CVE-2018-4347
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.