CVE-2018-4401 json
A memory corruption issue was addressed with improved memory handling.
published 2019-04-03 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-16187
- cvss
- 7.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.
Patch / fix
- apple iphone_os 12.0
- apple mac_os_x 10.14
- apple tvos 12
- apple watchos 5.0
Exploit prediction
1.06% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
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 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Affected products
- n/a iOS, macOS, tvOS, watchOS
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
support.apple.com
/kb/HT209107
vendor-advisory
-
support.apple.com
/kb/HT209193
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-2018-4401
- NVD CVE-2018-4401
Fencer Vulns 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.