CVE-2026-31814
Yamux remote Panic via malformed WindowUpdate credit
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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. This is remotely reachable over a normal network connection and does not require authentication. This vulnerability is fixed in 0.13.9.
| CWE | CWE-190 |
| Vendor | libp2p |
| Product | rust-yamux |
| Published | Mar 13, 2026 |
| Last Updated | Mar 13, 2026 |
Stay Ahead of the Next One
Get instant alerts for libp2p rust-yamux
Be the first to know when new unknown vulnerabilities affecting libp2p rust-yamux are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
libp2p / rust-yamux
>= 0.13.0, < 0.13.9