What’s Vulnerable › Vulnerabilities

CVE-2023-27954

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-05-08 · updated 2026-06-17
• Weakness: CWE-863

Description

The issue was addressed by removing origin information. This issue is fixed in macOS Ventura 13.3, Safari 16.4, iOS 16.4 and iPadOS 16.4, iOS 15.7.4 and iPadOS 15.7.4, tvOS 16.4, watchOS 9.4. A website may be able to track sensitive user information.

Affected products

• Apple iPadOS: before 15.7.4; from 16.0 before 16.4 — fixed in 15.7.4, 16.4
• Apple Iphone Os: before 15.7.4; from 16.0 before 16.4 — fixed in 15.7.4, 16.4
• Apple macOS: from 13.0 before 13.3 — fixed in 13.3
• Apple Safari: before 16.4 — fixed in 16.4
• Apple tvOS: before 16.4 — fixed in 16.4
• Apple watchOS: before 9.4 — fixed in 9.4
• Debian Linux: 10.0

How to fix

Upgrade to a fixed version: Apple iPadOS 15.7.4, 16.4; Apple Iphone Os 15.7.4, 16.4; Apple macOS 13.3; Apple Safari 16.4; Apple tvOS 16.4; Apple watchOS 9.4. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT213670
• https://support.apple.com/en-us/HT213671
• https://support.apple.com/en-us/HT213673
• https://support.apple.com/en-us/HT213674
• https://support.apple.com/en-us/HT213676
• https://support.apple.com/en-us/HT213678
• https://support.apple.com/en-us/HT213670
• https://support.apple.com/en-us/HT213671
• https://support.apple.com/en-us/HT213673
• https://support.apple.com/en-us/HT213674
• https://support.apple.com/en-us/HT213676
• https://support.apple.com/en-us/HT213678

Get alerted when CVE-2023-27954 or the next vulnerability affects your stack