Yamux vulnerabilities

2 known vulnerabilities in Yamux from Protocol. 2 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 7.5 High severity

  rust-yamux: Uncaught Exception

  CVE-2026-32314Mar 16, 2026Libp2p

  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-2026-31814Mar 13, 2026Libp2p

  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