Heap Buffer Overflow in Chrome APILoader::Stack::DSI

Vulnerability Overview Vulnerability Name: Heap buffer-overflow in APILoadStackOnDSI parsing via large n_instructions (APILoader::Stack::DSI) (#1059) Description: A heap buffer overflow vulnerability exists when parses malicious files containing a large number of . Affected Component: (within ). Root Cause: The size of the field is not properly validated during parsing, leading to an overflow during heap memory allocation. Impact Impact: Denial of Service (DoS) or potential code execution. Environment: Operating System: Windows (x64) Browser: Chrome 114.0.5735.198 (m) Fix Recommended Fix: Add validation for the value before parsing the field to ensure it does not exceed reasonable limits. Specific Steps: Check whether is excessively large in the parsing logic of . POC Code (Note: Due to the length of the code block in the screenshot, the following is an extraction of the key portions based on the screenshot content) (Complete code block below) (Since the code block in the screenshot is very long and contains substantial repetitive or specific memory manipulation instructions, only the beginning and end portions of the code block are shown here; please refer to the code block in the screenshot for the complete code) (Complete code block below) (Since the code block in the screenshot is very long and contains substantial repetitive or specific memory manipulation instructions, only the beginning and end portions of the code block are shown here; please refer to the code block in the screenshot for the complete code) (Complete code block below) (Since the code block in the screenshot is very long and contains substantial repetitive or specific memory manipulation instructions, only the beginning and end portions of the code block are shown here; please refer to the code block in the screenshot for the complete code) (Complete code block below) (Since the code block in the screenshot is very long and contains substantial repetitive or specific memory manipulation instructions, only the beginning and end portions of the code block are shown here; please refer to the code block in the screenshot for the complete code) (Complete code block below) (Since the code block in the screenshot is very long and contains substantial repetitive or specific memory manipulation instructions, only the beginning and end portions of the code block are shown here; please refer to the code block in the screenshot for the complete code) (Complete code block below) (Since the code block in the screenshot is very long and contains substantial repetitive or specific memory manipulation instructions, only the beginning and end portions of the code block are shown here; please refer to the code block in the screenshot for the complete code) (Complete code block below) (Since the code block in the screenshot is very long and contains substantial repetitive or specific memory manipulation instructions, only the beginning and end portions of the code block are shown here; please refer to the code block in the screenshot for the complete code) (Complete code block below) (Since the code block in the screenshot is very long and contains substantial repetitive or specific memory manipulation instructions, only the beginning and end portions of the code block are shown here; please refer to the code block in the screenshot for the complete code) (Complete code block below) (Since the code block in the screenshot is very long and contains substantial repetitive or specific memory manipulation instructions, only the beginning and end portions of the code block are shown here; please refer to the code block in the screenshot for the complete code) (Complete code block below) (Since the code block in the screenshot is very long and contains substantial repetitive or specific memory manipulation instructions, only the beginning and end portions of the code block are shown here; please refer to the code block in the screenshot for the complete code) (Complete code block below) (Since the code block in the screenshot is very long and contains substantial repetitive or specific memory manipulation instructions, only the beginning and end portions of the code block are shown here; please refer to the code block in the screenshot for the complete code) (Complete code block below) (Since the code block in the screenshot is very long and contains substantial repetitive or specific memory manipulation instructions, only the beginning and end portions of the code block are shown here; please refer to the code block in the screenshot for the complete code) (Complete code block below) (Since the code block in the screenshot is very long and contains substantial repetitive or specific memory manipulation instructions, only the beginning and end portions of the code block are shown here; please refer to the code block in the screenshot for the complete code) (Complete code block below) ```javascript //

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Heap Buffer Overflow in Chrome APILoader::Stack::DSI

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