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TI-2021-09316 Aliases CVE-2021-28036GHSA-fhv4-fx3v-77w6

An issue was discovered in the quinn crate before 0.7.0 for Rust.

Priority LOW 35CWE-119Published · Updated

Key facts

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

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

Summary

An issue was discovered in the quinn crate before 0.7.0 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 0.01261 69th percentileScored 2026-11-07
Fix Fixed quinn (crates.io): 0.5.4, 0.6.2

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
—quinn (crates.io)before 0.5.40.5.4Patch availableGHSA-fhv4-fx3v-77w6
—quinn (crates.io)0.6.0 to before 0.6.20.6.2Patch availableGHSA-fhv4-fx3v-77w6
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • quinn (crates.io) Vendor— Affected before 0.5.4 Fixed in 0.5.4 Patch available GHSA-fhv4-fx3v-77w6
  • quinn (crates.io) Vendor— Affected 0.6.0 to before 0.6.2 Fixed in 0.6.2 Patch available GHSA-fhv4-fx3v-77w6

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:quinn_project:quinn:*:*:*:*:*:rust:*:*before 0.5.4; 0.6.0 to before 0.6.2VulnerableQuinn Project
  • cpe:2.3:a:quinn_project:quinn:*:*:*:*:*:rust:*:* Versions before 0.5.4; 0.6.0 to before 0.6.2 Vulnerable ·Quinn Project

Remediation

  • Fix · GHSA-fhv4-fx3v-77w6 quinn (crates.io) Fixed in 0.5.4 Advisory →
  • Fix · GHSA-fhv4-fx3v-77w6 quinn (crates.io) Fixed in 0.6.2 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-28036
  2. 2026-10-03 Alias added: GHSA-fhv4-fx3v-77w6

References

  • TI-2024-30382 Denial of service in quinn-proto when using `Endpoint::retry()` CVSS 3.1HIGH 7.5
  • TI-2023-22896 quinn-proto Denial of Service vulnerability CVSS 3.1HIGH 7.5

Sources