CVE-2026-20664
4.3
MEDIUM
CVSS 3.1
EPSS 0.05%
Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. Processing maliciously crafted web content may lead to an unexpected process crash.
How to fix CVE-2026-20664
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/webkit2gtk—no fix listed
- —no fix listed
Is CVE-2026-20664 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |