CVE-2022-26717 in iTunes
Summary
by MITRE • 11/02/2022
A use after free issue was addressed with improved memory management. This issue is fixed in tvOS 15.5, watchOS 8.6, iOS 15.5 and iPadOS 15.5, macOS Monterey 12.4, Safari 15.5, iTunes 12.12.4 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.
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Analysis
by VulDB Data Team • 05/11/2026
This vulnerability represents a classic use-after-free condition that was remediated through enhanced memory management controls within Apple's operating systems and applications. The flaw occurred when the system failed to properly manage memory references after objects were deallocated, creating opportunities for attackers to manipulate freed memory locations. Such issues typically arise from inadequate null pointer checks or improper reference counting mechanisms that allow memory to be accessed beyond its intended lifecycle. The vulnerability affects multiple Apple platforms including iOS, tvOS, watchOS, iPadOS, macOS Monterey, Safari, and iTunes, demonstrating the widespread nature of the memory management flaw across the company's ecosystem.
The technical exploitation of this use-after-free condition enables attackers to craft malicious web content that when processed by affected applications triggers the vulnerability. This allows for arbitrary code execution capabilities that can be leveraged to bypass system security controls and potentially escalate privileges within the target environment. The underlying weakness aligns with CWE-416 which specifically addresses use-after-free vulnerabilities in software systems. From an operational perspective, this represents a critical threat vector since web browsers and mobile applications are frequently targeted due to their broad attack surface and user interaction requirements.
The remediation implemented by Apple through version updates addresses the core memory management issues that enabled the exploitation. The fixes likely include improved memory deallocation procedures, enhanced pointer validation mechanisms, and strengthened reference counting logic within the affected software components. These changes align with established security practices for preventing heap corruption vulnerabilities and ensure proper memory lifecycle management throughout application execution. Organizations should prioritize deployment of these updates across all affected systems to mitigate potential exploitation attempts.
Security practitioners should recognize this vulnerability as part of the broader ATT&CK framework's technique T1059 which covers command and scripting interpreter usage, particularly when considering how use-after-free conditions can be leveraged for code injection attacks. The remediation process demonstrates Apple's commitment to addressing memory safety issues through comprehensive system updates that prevent attackers from exploiting these fundamental software flaws. The widespread impact across multiple platforms indicates the vulnerability likely existed in shared memory management components or core frameworks that serve as common foundations for various Apple products and services.