CVE-2021-27376: Nb-Connect Project Nb-Connect

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

An issue was discovered in the nb-connect crate before 1.0.3 for Rust. It may have invalid memory access for certain versions of the standard library because it relies on a direct cast of std::net::SocketAddrV4 and std::net::SocketAddrV6 data structures.

Affected products

• Nb-Connect Project Nb-Connect: before 1.0.3 (fixed in 1.0.3)

Published 2021-02-18. Last modified 2026-06-17.