CVE-2018-4222
8.8
HIGH
CVSS 3.1
EPSS 56.0%
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 via a crafted web site that leverages a getWasmBufferFromValue out-of-bounds read during WebAssembly compilation.
How to fix CVE-2018-4222
To remediate CVE-2018-4222, upgrade the affected package to a fixed version below.
- —upgrade to 2.20.3-1 or later
Is CVE-2018-4222 being exploited?
Likely — EPSS is 56.0%, placing CVE-2018-4222 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 |