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CVE-2018-4191
A memory corruption issue was addressed with improved validation. This issue affected versions prior to iOS 12, tvOS 12, watchOS 5, Safari…
High8.8EPSS 2.2%
- Published
- Updated
- Reserved
- Assigned by
- apple
Description
A memory corruption issue was addressed with improved validation. This issue affected versions prior to iOS 12, tvOS 12, watchOS 5, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.2% · top 18% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
- Unexpected interaction causes an ASSERT failure
- CWE-119 (opens in a new tab)
Affected products
iOS, tvOS, watchOS, Safari, iTunes for Windows, iCloud for Windows
- affected Versions prior to: iOS 12, tvOS 12, watchOS 5, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7
References (6)
- https://support.apple.com/kb/HT209141 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/kb/HT209140 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/kb/HT209107 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/kb/HT209106 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/kb/HT209108 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/kb/HT209109 (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 .