CVE-2025-43214 in iOS
Summary
by MITRE • 07/30/2025
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
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Analysis
by VulDB Data Team • 06/30/2026
This vulnerability represents a memory handling issue that affects multiple Apple operating systems including watchOS, iOS, iPadOS, tvOS, macOS, and visionOS. The flaw manifests when processing maliciously crafted web content within Safari browser, potentially leading to unexpected application crashes. The vulnerability was addressed through enhanced memory management mechanisms in the respective software updates. The technical nature of this issue suggests a potential memory corruption vulnerability that could be exploited to cause denial of service conditions or potentially more serious security implications. According to industry standards, this type of memory handling issue typically maps to CWE-129 or CWE-787 depending on the specific memory access pattern. The vulnerability classification aligns with ATT&CK technique T1203 which covers legitimate program exploitation through memory corruption. The fix implementation demonstrates Apple's approach to addressing memory safety issues through improved bounds checking and memory allocation routines.
The operational impact of this vulnerability extends across Apple's entire ecosystem as multiple platforms are affected simultaneously. Safari browser users face potential disruption when encountering malicious web content, which could be delivered through phishing attacks, compromised websites, or malicious advertisements. The crash condition could be leveraged by attackers to create persistent denial of service scenarios or potentially as a stepping stone for more sophisticated attacks. Organizations relying on Apple devices for business operations may experience productivity interruptions when users encounter compromised web content. The vulnerability affects both personal and enterprise environments since the same browser engine operates across all affected platforms.
Security professionals should prioritize patching this vulnerability across all affected Apple operating systems including watchOS 11.6, iOS 18.6, iPadOS 18.6, tvOS 18.6, macOS Sequoia 15.6, and visionOS 2.6. The mitigation strategy should include comprehensive deployment of these security updates across all enterprise devices. Network administrators should monitor for potential exploitation attempts through web-based attacks and implement additional browser security controls such as content filtering and sandboxing mechanisms. Regular security assessments should verify successful patch deployment and monitor for any related security incidents. Organizations should also consider implementing web application firewalls and advanced threat detection systems to identify and block malicious web content before it can be processed by affected browsers. The vulnerability serves as a reminder of the importance of maintaining up-to-date security patches across all operating systems and applications within an enterprise environment.