An issue was discovered in the nb-connect crate before 1.0.3 for Rust.
Priority MEDIUM 45CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-119 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.01448 73rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed nb-connect (crates.io): 1.0.3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | nb-connect (crates.io) | before 1.0.3 | 1.0.3 | Patch available | GHSA-rm4w-6696-r77p |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- nb-connect (crates.io) Vendor— Affected before 1.0.3 Fixed in 1.0.3 Patch available GHSA-rm4w-6696-r77p
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nb-connect_project:nb-connect:*:*:*:*:*:rust:*:* | before 1.0.3 | Vulnerable | Nb-connect Project |
- cpe:2.3:a:nb-connect_project:nb-connect:*:*:*:*:*:rust:*:* Versions before 1.0.3 Vulnerable ·Nb-connect Project
Remediation
- Fix · GHSA-rm4w-6696-r77p nb-connect (crates.io) Fixed in 1.0.3 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27376
- 2026-10-03 Alias added: GHSA-rm4w-6696-r77p
References
Sources
- CVE-2021-27376 · CVE Program
- CVE-2021-27376 · NVD
- FIRST EPSS
- GHSA-rm4w-6696-r77p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences