CVE-2026-28857
Received Received - Intake
Memory Handling Flaw in Safari Causes Process Crash

Publication date: 2026-03-25

Last updated on: 2026-03-26

Assigner: Apple Inc.

Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. Processing maliciously crafted web content may lead to an unexpected process crash.
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Meta Information
Published
2026-03-25
Last Modified
2026-03-26
Generated
2026-06-16
AI Q&A
2026-03-25
EPSS Evaluated
2026-06-15
NVD
EUVD
Affected Vendors & Products
Showing 5 associated CPEs
Vendor Product Version / Range
apple ipados to 26.4 (exc)
apple iphone_os to 26.4 (exc)
apple macos From 26.0 (inc) to 26.4 (exc)
apple visionos to 26.4 (exc)
apple safari to 26.4 (exc)
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.
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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.
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Impact Analysis

The impact of this vulnerability is that processing specially crafted web content could cause the affected application or process to crash unexpectedly. This could lead to denial of service or disruption of normal device operation.

Compliance Impact

I don't know

Executive Summary

This vulnerability involves improper memory handling when processing maliciously crafted web content. It can cause an unexpected process crash in affected Apple products such as Safari, iOS, iPadOS, macOS Tahoe, and visionOS.

Detection Guidance

I don't know

Mitigation Strategies

To mitigate this vulnerability, update your Apple software to version 26.4 or later for Safari, iOS, iPadOS, macOS Tahoe, and visionOS, as these versions include the fix with improved memory handling.

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