CVE-2023-43010
Received Received - Intake
Memory Corruption in Apple Safari and iOS via Malicious Web Content

Publication date: 2026-03-12

Last updated on: 2026-03-25

Assigner: Apple Inc.

Description
The issue was addressed with improved memory handling. This issue is fixed in iOS 17.2 and iPadOS 17.2, macOS Sonoma 14.2, Safari 17.2, iOS 16.7.15 and iPadOS 16.7.15, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.
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Meta Information
Published
2026-03-12
Last Modified
2026-03-25
Generated
2026-06-16
AI Q&A
2026-03-12
EPSS Evaluated
2026-06-15
NVD
CVE-2023-43010
EUVD
EUVD-2023-47431
Affected Vendors & Products
Showing 8 associated CPEs
Vendor Product Version / Range
apple safari to 17.2 (exc)
apple iphone_os From 17.0 (inc) to 17.2 (exc)
apple ipados From 17.0 (inc) to 17.2 (exc)
apple macos to 14.2 (exc)
apple ipados to 15.8.7 (exc)
apple iphone_os to 15.8.7 (exc)
apple ipados From 16.0 (inc) to 16.7.15 (exc)
apple iphone_os From 16.0 (inc) to 16.7.15 (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.
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Executive Summary

CVE-2023-43010 is a vulnerability in WebKit, the web browser engine used by Apple devices. It occurs when processing maliciously crafted web content, which may lead to memory corruption.

The issue was addressed by Apple through improved memory handling in various operating system versions including iOS 17.2, iPadOS 17.2, macOS Sonoma 14.2, Safari 17.2, and earlier versions backported to support older devices.

Impact Analysis

This vulnerability can lead to memory corruption when a device processes maliciously crafted web content. Memory corruption can cause unexpected behavior such as application crashes, data corruption, or potentially allow an attacker to execute arbitrary code.

Exploitation of this vulnerability could compromise the security and stability of affected Apple devices, including iPhones, iPads, and Macs running vulnerable versions of their operating systems or Safari.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

To mitigate this vulnerability, you should update your Apple devices to the fixed versions of the operating systems and software.

  • Upgrade to iOS 17.2, iPadOS 17.2, or macOS Sonoma 14.2.
  • Update Safari to version 17.2.
  • If you cannot upgrade to the latest OS versions, apply the backported security updates such as iOS 16.7.15, iPadOS 16.7.15, iOS 15.8.7, and iPadOS 15.8.7.

These updates improve memory handling in WebKit to prevent exploitation via processing maliciously crafted web content.

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