CVE-2026-35457

High

Description

libp2p-rust is the official rust language Implementation of the libp2p networking stack. Prior to 0.17.1, the rendezvous server stores pagination cookies without bounds. An unauthenticated peer can repeatedly issue DISCOVER requests and force unbounded memory growth. This vulnerability is fixed in 0.17.1.

SeverityHigh
CVSS8.2
Exploit probability—
ProductProtocol Libp2p
PublishedApr 7, 2026
First seenApr 7, 2026

How to fix

Update
  • protocol libp2p0.17.1 or later

Affected products

ProductAffected versionsFixed in
protocol libp2pv < 0.17.10.17.1

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