What’s Vulnerable › Vulnerabilities

CVE-2025-30427

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-03-31 · updated 2026-06-17
• Weakness: CWE-416

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4, iPadOS 17.7.6, macOS Sequoia 15.4, tvOS 18.4, visionOS 2.4, watchOS 11.4. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Affected products

• Apple iPadOS: before 17.7.6; from 18.0 before 18.4 — fixed in 17.7.6, 18.4
• Apple Iphone Os: before 18.4 — fixed in 18.4
• Apple macOS: from 15.0 before 15.4 — fixed in 15.4
• Apple Safari: before 18.4 — fixed in 18.4
• Apple tvOS: before 18.4 — fixed in 18.4
• Apple visionOS: before 2.4 — fixed in 2.4

How to fix

Upgrade to a fixed version: Apple iPadOS 17.7.6, 18.4; Apple Iphone Os 18.4; Apple macOS 15.4; Apple Safari 18.4; Apple tvOS 18.4; Apple visionOS 2.4. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/122371
• https://support.apple.com/en-us/122372
• https://support.apple.com/en-us/122373
• https://support.apple.com/en-us/122376
• https://support.apple.com/en-us/122377
• https://support.apple.com/en-us/122378
• https://support.apple.com/en-us/122379
• http://seclists.org/fulldisclosure/2025/Apr/11
• http://seclists.org/fulldisclosure/2025/Apr/12
• http://seclists.org/fulldisclosure/2025/Apr/13
• http://seclists.org/fulldisclosure/2025/Apr/2
• http://seclists.org/fulldisclosure/2025/Apr/4

Get alerted when CVE-2025-30427 or the next vulnerability affects your stack