What’s Vulnerable › Vulnerabilities

CVE-2024-27834

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-14 · updated 2026-06-17
• Weakness: CWE-277

Description

The issue was addressed with improved checks. This issue is fixed in Safari 17.5, iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, tvOS 17.5, watchOS 10.5. An attacker with arbitrary read and write capability may be able to bypass Pointer Authentication.

Affected products

• Apple iPadOS: before 17.5 — fixed in 17.5
• Apple Iphone Os: before 17.5 — fixed in 17.5
• Apple macOS: from 14.0 before 14.5 — fixed in 14.5
• Apple Safari: before 17.5 — fixed in 17.5
• Apple tvOS: before 17.5 — fixed in 17.5
• Apple watchOS: before 10.5 — fixed in 10.5
• Fedoraproject Fedora: 39, 40
• Webkit: before 2.44.2 — fixed in 2.44.2
• Wpewebkit Wpe Webkit: before 2.44.2 — fixed in 2.44.2

How to fix

Upgrade to a fixed version: Apple iPadOS 17.5; Apple Iphone Os 17.5; Apple macOS 14.5; Apple Safari 17.5; Apple tvOS 17.5; Apple watchOS 10.5; Webkit 2.44.2; Wpewebkit Wpe Webkit 2.44.2. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/120896
• https://support.apple.com/en-us/120898
• https://support.apple.com/en-us/120901
• https://support.apple.com/en-us/120902
• https://support.apple.com/en-us/120903
• https://support.apple.com/en-us/120905
• http://seclists.org/fulldisclosure/2024/May/10
• http://seclists.org/fulldisclosure/2024/May/12
• http://seclists.org/fulldisclosure/2024/May/16
• http://seclists.org/fulldisclosure/2024/May/17
• http://seclists.org/fulldisclosure/2024/May/9
• http://www.openwall.com/lists/oss-security/2024/05/21/1

Get alerted when CVE-2024-27834 or the next vulnerability affects your stack