Out of bounds read in Blink in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page. (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
<!--
Conceptual PoC for Out-of-Bounds Read in Blink
This is a template demonstrating the trigger mechanism.
Actual exploitation requires specific heap layout and DOM manipulation.
-->
<!DOCTYPE html>
<html>
<head>
<title>CVE-2026-5913 PoC</title>
</head>
<body>
<script>
// Simulate a scenario that might trigger an OOB read
// e.g., manipulating array buffers or DOM nodes in a specific order
try {
var buffer = new ArrayBuffer(0x100);
var view = new Uint8Array(buffer);
// Malicious operation attempting to read beyond bounds
// This is a placeholder for the actual vulnerability trigger
console.log(view[0x10000]);
} catch (e) {
console.log("Exception caught: " + e);
}
// Note: Real exploits for CVE-2026-5913 would involve specific
// Blink engine manipulation not shown here.
</script>
</body>
</html>