CVE-2025-31273 in iOS
Summary
by MITRE • 07/30/2025
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6, iOS 18.6 and iPadOS 18.6, tvOS 18.6, watchOS 11.6, visionOS 2.6. Processing maliciously crafted web content may lead to memory corruption.
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Analysis
by VulDB Data Team • 07/31/2025
This vulnerability represents a memory handling flaw that was specifically addressed through enhanced memory management mechanisms within Apple's operating systems. The issue manifests when processing maliciously crafted web content, indicating that the vulnerability is likely exploitable through web-based attack vectors. The fix was implemented across multiple Apple platforms including macOS Sequoia 15.6, iOS 18.6, iPadOS 18.6, tvOS 18.6, watchOS 11.6, and visionOS 2.6, demonstrating the widespread nature of the memory corruption issue. The vulnerability falls under the category of memory safety issues that can lead to arbitrary code execution or system instability when malicious content is processed through web browsers or web view components.
The technical flaw involves improper memory handling during web content processing, which creates opportunities for memory corruption attacks. This type of vulnerability typically allows attackers to manipulate memory layouts or overwrite critical data structures, potentially leading to privilege escalation or complete system compromise. The issue is particularly concerning because it affects web-based content processing, which is one of the most common attack surfaces for mobile and desktop operating systems. According to CWE standards, this vulnerability would be classified under CWE-129, which deals with insufficient bounds checking, or potentially CWE-125, which covers out-of-bounds read conditions. The memory corruption aspect aligns with ATT&CK technique T1059.007 for scripting languages and T1566 for phishing with malicious content.
The operational impact of this vulnerability extends across Apple's entire ecosystem, affecting users of mobile devices, tablets, computers, and wearable technology. Organizations relying on Apple devices for business operations face potential risks from web-based attacks that could compromise sensitive data or enable unauthorized access to corporate networks. The fix requires immediate deployment across all affected platforms to maintain security posture, as the vulnerability could be exploited through various web-based attack vectors including malicious websites, email attachments, or compromised web applications. Security teams must prioritize patch management for these operating system versions to prevent potential exploitation by threat actors who may develop or deploy automated exploit tools targeting this memory handling weakness. The vulnerability demonstrates the ongoing challenges in memory safety within modern operating systems and the critical importance of robust memory management implementations in preventing exploitation of such fundamental security flaws.