CyberSecBulletin

Protocol vulnerabilities

We track 9 vulnerabilities in Protocol products across 3 products. 9 are rated high or critical, and none are known to be exploited. The most recent was published on April 7, 2026.

9vulnerabilities
0critical
9high
0exploited
7.6average CVSS score

Latest Protocol vulnerabilities

  • 8.2 High severity

    rust-libp2p: Allocation of Resources Without Limits or Throttling

    CVE-2026-35457Libp2p

    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

  • 7.5 High severity

    rust-libp2p: Allocation of Resources Without Limits or Throttling

    CVE-2026-35405Libp2p

    libp2p-rust is the official rust language Implementation of the libp2p networking stack. Prior to 0.17.1, libp2p-rendezvous server has no limit on how many namespaces a single peer can register. A malicious peer can just keep registering unique namespaces in a

  • 7.5 High severity

    rust-libp2p: Integer Overflow or Wraparound

    CVE-2026-33040Libp2p

    libp2p-rust is the official rust language Implementation of the libp2p networking stack. In versions prior to 0.49.3, the Gossipsub implementation accepts attacker-controlled PRUNE backoff values and may perform unchecked time arithmetic when storing backoff s

  • 7.5 High severity

    rust-yamux: Uncaught Exception

    CVE-2026-32314Libp2p

    Yamux is a stream multiplexer over reliable, ordered connections such as TCP/IP. Prior to 0.13.10, the Rust implementation of Yamux can panic when processing a crafted inbound Data frame that sets SYN and uses a body length greater than DEFAULT_CREDIT (e.g. 26

  • 7.5 High severity

    rust-yamux: Integer Overflow or Wraparound

    CVE-2026-31814Libp2p

    Yamux is a stream multiplexer over reliable, ordered connections such as TCP/IP. From 0.13.0 to before 0.13.9, a specially crafted WindowUpdate can cause arithmetic overflow in send-window accounting, which triggers a panic in the connection state machine. Thi

  • 7.5 High severity

    go-libp2p: Uncontrolled Resource Consumption

    CVE-2023-40583Libp2p

    libp2p is a networking stack and library modularized out of The IPFS Project, and bundled separately for other tools to use. In go-libp2p, by using signed peer records a malicious actor can store an arbitrary amount of data in a remote node’s memory. This memo

  • 7.5 High severity

    go-libp2p: Allocation of Resources Without Limits or Throttling

    CVE-2022-23492Libp2pEPSS 1.07%

    go-libp2p is the offical libp2p implementation in the Go programming language. Version `0.18.0` and older of go-libp2p are vulnerable to targeted resource exhaustion attacks. These attacks target libp2p’s connection, stream, peer, and memory management. An att

  • 7.5 High severity

    js-libp2p: Allocation of Resources Without Limits or Throttling

    CVE-2022-23487Libp2p

    js-libp2p is the official javascript Implementation of libp2p networking stack. Versions older than `v0.38.0` of js-libp2p are vulnerable to targeted resource exhaustion attacks. These attacks target libp2p’s connection, stream, peer, and memory management. An

  • 7.5 High severity

    rust-libp2p: Allocation of Resources Without Limits or Throttling

    CVE-2022-23486Libp2p

    libp2p-rust is the official rust language Implementation of the libp2p networking stack. In versions prior to 0.45.1 an attacker node can cause a victim node to allocate a large number of small memory chunks, which can ultimately lead to the victim’s process r