CVE-2018-4302 json
A null pointer dereference was addressed with improved validation.
published 2021-12-23 4 y ago modified 2026-06-17 4 mo ago also EUVD-2018-16088
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 61%
- public exploits
- 0
- none known
Summary
A null pointer dereference was addressed with improved validation. This issue is fixed in macOS High Sierra 10.13, iCloud for Windows 7.0, watchOS 4, iOS 11, iTunes 12.7 for Windows. Processing maliciously crafted XML may lead to an unexpected application termination or arbitrary code execution.
Patch / fix
- Apple iOS 11
- Apple watchOS 4
- Apple iTunes for Windows 12.7
- Apple iCloud for Windows 7.0
- Apple macOS 10.13
Exploit prediction
0.95% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/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
- Apple iOS
- Apple watchOS
- Apple iTunes for Windows
- Apple iCloud for Windows
- Apple macOS
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
References
-
support.apple.com
/en-us/HT208144
vendor-advisory
-
support.apple.com
/en-us/HT208112
vendor-advisory
-
support.apple.com
/en-us/HT208115
vendor-advisory
-
support.apple.com
/en-us/HT208141
vendor-advisory
-
support.apple.com
/en-us/HT208142
vendor-advisory
Sources
- CVE List CVE-2018-4302
- NVD CVE-2018-4302
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.