What’s Vulnerable › Vulnerabilities

CVE-2024-27876

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-09-17 · updated 2026-06-17
• Weakness: CWE-362

Description

A race condition was addressed with improved locking. This issue is fixed in iOS 17.7 and iPadOS 17.7, iOS 18 and iPadOS 18, macOS Sequoia 15, macOS Sonoma 14.7, macOS Ventura 13.7, visionOS 2. Unpacking a maliciously crafted archive may allow an attacker to write arbitrary files.

Affected products

• Apple iPadOS: before 17.7 — fixed in 17.7
• Apple Iphone Os: before 17.7 — fixed in 17.7
• Apple macOS: from 13.0 before 13.7; from 14.0 before 14.7 — fixed in 13.7, 14.7
• Apple visionOS: before 2.0 — fixed in 2.0

How to fix

Upgrade to a fixed version: Apple iPadOS 17.7; Apple Iphone Os 17.7; Apple macOS 13.7, 14.7; Apple visionOS 2.0. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/121234
• https://support.apple.com/en-us/121238
• https://support.apple.com/en-us/121246
• https://support.apple.com/en-us/121247
• https://support.apple.com/en-us/121249
• https://support.apple.com/en-us/121250
• http://seclists.org/fulldisclosure/2024/Sep/32
• http://seclists.org/fulldisclosure/2024/Sep/33
• http://seclists.org/fulldisclosure/2024/Sep/36
• http://seclists.org/fulldisclosure/2024/Sep/39
• http://seclists.org/fulldisclosure/2024/Sep/40
• http://seclists.org/fulldisclosure/2024/Sep/41

Get alerted when CVE-2024-27876 or the next vulnerability affects your stack