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TI-2021-20797 Aliases CVE-2021-45710GHSA-fg7r-2g4j-5cgr

An issue was discovered in the tokio crate before 1.8.4, and 1.9.x through 1.13.x before…

Priority LOW 38CWE-362Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

An issue was discovered in the tokio crate before 1.8.4, and 1.9.x through 1.13.x before 1.13.1, for Rust. In certain circumstances involving a closed oneshot channel, there is a data race and memory corruption.

Why it matters now

EPSS 0.01239 69th percentileScored 2026-11-07
Fix Fixed tokio (crates.io): 1.8.4, 1.13.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—tokio (crates.io)0.1.14 to before 1.8.41.8.4Patch availableGHSA-fg7r-2g4j-5cgr
—tokio (crates.io)1.9.0 to before 1.13.11.13.1Patch availableGHSA-fg7r-2g4j-5cgr
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • tokio (crates.io) Vendor— Affected 0.1.14 to before 1.8.4 Fixed in 1.8.4 Patch available GHSA-fg7r-2g4j-5cgr
  • tokio (crates.io) Vendor— Affected 1.9.0 to before 1.13.1 Fixed in 1.13.1 Patch available GHSA-fg7r-2g4j-5cgr

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:tokio:tokio:*:*:*:*:*:rust:*:*0.1.14 to before 1.8.4; 1.9.0 to before 1.13.1VulnerableTokio
  • cpe:2.3:a:tokio:tokio:*:*:*:*:*:rust:*:* Versions 0.1.14 to before 1.8.4; 1.9.0 to before 1.13.1 Vulnerable ·Tokio

Remediation

  • Fix · GHSA-fg7r-2g4j-5cgr tokio (crates.io) Fixed in 1.8.4 Advisory →
  • Fix · GHSA-fg7r-2g4j-5cgr tokio (crates.io) Fixed in 1.13.1 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

Not affected: 2 products
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-45710
  2. 2026-10-03 Alias added: GHSA-fg7r-2g4j-5cgr

References

Patch 1

Advisory 2

Other 2

  • TI-2024-18146 Mio's tokens for named pipes may be delivered after deregistration CVSS 3.1CRITICAL 9.1
  • TI-2021-15868 An issue was discovered in the tokio crate before 1.8.1 for Rust. CVSS 3.1MEDIUM 5.9
  • TI-2023-08715 Tokio's reject_remote_clients configuration may get dropped when creating a Windows named pipe CVSS 3.1MEDIUM 5.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences