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CVE-2018-4233
An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on…
High8.8EPSS 53.8%
- Published
- Updated
- Reserved
- Assigned by
- apple
Description
An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 53.8% · top 1.0% of all CVEs (2 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
Affected products
n/a
- affected n/a
References (11)
- https://support.apple.com/HT208850 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.apple.com/HT208853 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.apple.com/HT208851 (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-201808-04 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://support.apple.com/HT208854 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1041029 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- USN-3687-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://support.apple.com/HT208848 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 45998 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://support.apple.com/HT208852 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://packetstormsecurity.com/files/153148/Safari-Webkit-Proxy-Object-Type-Confusion.html (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)
Record last updated .