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Fri, 16 Oct 2026 18:30:00 +0000
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ssvc
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Thu, 15 Oct 2026 17:30:00 +0000
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| Description | libp2p is a JavaScript implementation of the libp2p networking stack. Prior to 6.0.28, the @libp2p/webrtc webRTCDirect() Node.js listener processes unauthenticated STUN Binding Requests before PeerId authentication, Noise, muxing, protocol negotiation, connection creation, or connection-manager admission. The listener in packages/transport-webrtc/src/private-to-public/utils/stun-listener.ts forwards the packet-controlled request.ufrag into DirectRTCPeerConnection.setLocalDescription, where the value is reused as an ICE password without validating its required length and character set. A short credential causes node-datachannel or libdatachannel to raise an uncaught native invalid_argument and abort the process with SIGABRT, allowing a single remote UDP packet to deny service. The confirmed impact is process termination only, with no demonstrated memory corruption, code execution, browser impact, confidentiality impact, integrity impact, or connection-limit bypass. This issue is fixed in version 6.0.28. | |
| Title | libp2p: Single pre-auth STUN packet terminates `@libp2p/webrtc` WebRTC-direct Node.js listeners | |
| Weaknesses | CWE-248 CWE-755 |
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| References |
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| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-10-16T17:12:49.532Z
Reserved: 2026-10-01T14:20:19.156Z
Link: CVE-2026-103936
Updated: 2026-10-16T15:22:19.387Z
Status : Deferred
Published: 2026-10-15T18:17:22.433
Modified: 2026-10-16T20:04:29.760
Link: CVE-2026-103936
No data.
OpenCVE Enrichment
Updated: 2026-10-16T18:00:16Z