CVE-2026-32314 is a high-severity denial-of-service vulnerability affecting the Rust implementation of the Yamux stream multiplexer, specifically versions prior to 0.13.10. An unauthenticated remote attacker can exploit this by sending a crafted inbound Data frame with an oversized body, causing the connection state machine to panic and disrupt service. This vulnerability has a CVSS score of 7.5 (HIGH) due to its network-based attack vector and complete availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this flaw.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.13.10CPE matchmatch criteria | cpe:2.3:a:protocol:yamux:*:*:*:*:*:rust:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.