CVE-2018-4233
8.8
HIGH
CVSS 3.1
EPSS 89.9%
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.
How to fix CVE-2018-4233
To remediate CVE-2018-4233, upgrade the affected package to a fixed version below.
- —upgrade to 2.20.3-1 or later
Is CVE-2018-4233 being exploited?
Likely — EPSS is 89.9%, placing CVE-2018-4233 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- from 0, < 2.20.3-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |