CVE-2025-43539
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-12

Last updated on: 2026-04-02

Assigner: Apple Inc.

Description
The issue was addressed with improved bounds checks. This issue is fixed in iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Sequoia 15.7.3, macOS Sonoma 14.8.3, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing a file may lead to memory corruption.
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Meta Information
Published
2025-12-12
Last Modified
2026-04-02
Generated
2026-05-07
AI Q&A
2025-12-12
EPSS Evaluated
2026-05-05
NVD
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
apple macos to 14.8.3 (exc)
apple macos From 15.0 (inc) to 15.7.3 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-119 The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability involves improper bounds checking when processing a file, which can lead to memory corruption. It has been addressed by improving bounds checks in macOS Sonoma 14.8.3 and macOS Sequoia 15.7.3.


How can this vulnerability impact me? :

The vulnerability can lead to memory corruption when processing a file, which may cause unexpected behavior, crashes, or potentially allow an attacker to execute arbitrary code.


What immediate steps should I take to mitigate this vulnerability?

Apply the security updates provided by Apple, specifically macOS Sonoma 14.8.3 or macOS Sequoia 15.7.3, which include improved bounds checks to fix this issue.


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