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CVE-2018-4407
A memory corruption issue was addressed with improved validation. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS…
- 8.8HighCVSS base score
- 21.4%Exploitation in 30 daysEPSS · top 2.4% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
A memory corruption issue was addressed with improved validation. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.
Timeline
ID reserved
By apple
- 15 months later
· 15 months later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 21.4% · top 2.4% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
iOS, macOS, tvOS, watchOS
- affected Versions prior to: iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5
References
6
- https://support.apple.com/kb/HT209107 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT209193 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT209106 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT209139 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT209108 (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/172832/iOS-11.4.1-macOS-10.13.6-icmp_error-Heap-Buffer-Overflow.html (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-16193 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-4407)Record last updated .