CVE-2018-4140 json
An issue was discovered in certain Apple products.
published 2018-04-03 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-15926
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.1%
- EPSS 3.1% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
An issue was discovered in certain Apple products. iOS before 11.3 is affected. The issue involves the "Telephony" component. It allows remote attackers to cause a denial of service (NULL pointer dereference and reboot) via a Class 0 SMS message.
Patch / fix
- apple iphone_os 11.3
Exploit prediction
3.15% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
References
-
support.apple.com
/HT208693
vendor-advisory
-
securitytracker.com
/id/1040604
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/103578
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-4140
- NVD CVE-2018-4140
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.