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CVE-2018-4290
A denial of service issue was addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1, watchOS 4.3.2.
Medium5.9EPSS 0.84%
- Published
- Updated
- Reserved
- Assigned by
- apple
Description
A denial of service issue was addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1, watchOS 4.3.2.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.84% · top 42% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.
Weakness
- Processing an emoji under certain configurations may lead to a denial of service
Affected products
iOS, watchOS
- affected Versions prior to: iOS 11.4.1, watchOS 4.3.2
References (2)
- https://support.apple.com/kb/HT208938 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/kb/HT208935 (opens in a new tab)x_refsource_MISCx_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)
- 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://trackcve.app/cve/CVE-2018-4290)Record last updated .