CVE-2026-43717
Received Received - Intake

Use-After-Free in Safari and iOS Leading to Unexpected Crash

Publication date: 2026-06-29

Last updated on: 2026-06-29

Assigner: Apple Inc.

Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected Safari crash.

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Meta Information

Published
2026-06-29
Last Modified
2026-06-29
Generated
2026-06-30
AI Q&A
2026-06-29
EPSS Evaluated
N/A
NVD
CVE-2026-43717

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
apple safari 26.5.2
apple ios 26.5.2
apple ipados 26.5.2
apple macos_tahoe 26.5.2

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-416 The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

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Executive Summary

This vulnerability is a use-after-free issue in Safari and related Apple operating systems. It occurs when the browser processes maliciously crafted web content, which can lead to improper memory management and cause an unexpected crash of Safari.

Impact Analysis

The impact of this vulnerability is that processing malicious web content may cause Safari to crash unexpectedly. This could disrupt your browsing experience and potentially be exploited to cause denial of service or other unintended behavior.

Mitigation Strategies

To mitigate this vulnerability, update Safari, iOS, iPadOS, or macOS Tahoe to version 26.5.2 or later, where the issue has been fixed.

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