CVE-2026-32314

CVE-2026-32314 affects the Rust Yamux implementation prior to 0.13.10. A crafted inbound Data frame that sets SYN and uses a body length greater than DEFAULT_CREDIT (e.g., 262145) can cause a panic. On the first packet of a new inbound stream, a receiver is queued before oversized-body validation...

CVE-2026-32314 Yamux remote Panic via malformed Data frame with SYN set and len = 262145

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 DEFAULTCREDIT e.g. 262145. On the first packet of a new...