CVE-2026-43745
Received Received - Intake

Out-of-Bounds Write in Safari with Malicious Web Content

Publication date: 2026-06-29

Last updated on: 2026-06-29

Assigner: Apple Inc.

Description
An out-of-bounds write issue was addressed with improved input validation. 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-2026-43745

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-787 The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

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Impact Analysis

The primary impact of this vulnerability is that processing specially crafted web content may cause Safari to crash unexpectedly. This could disrupt normal browsing activities and potentially lead to denial of service conditions on affected devices.

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.

Executive Summary

This vulnerability is an out-of-bounds write issue in Safari and related Apple operating systems. It occurs when processing maliciously crafted web content, which can cause Safari to crash unexpectedly. The issue was addressed by improving input validation to prevent such out-of-bounds writes.

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