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TI-2020-18535 Aliases CVE-2020-36215GHSA-rw2c-c256-3r53

An issue was discovered in the hashconsing crate before 1.1.0 for Rust.

Priority LOW 36CWE-662Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-787 and the CVSS impact.

Summary

An issue was discovered in the hashconsing crate before 1.1.0 for Rust. Because HConsed does not have bounds on its Send trait or Sync trait, memory corruption can occur.

Why it matters now

EPSS 0.01377 72nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed hashconsing (crates.io): 1.1.0

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
—hashconsing (crates.io)before 1.1.01.1.0Patch availableGHSA-rw2c-c256-3r53
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • hashconsing (crates.io) Vendor— Affected before 1.1.0 Fixed in 1.1.0 Patch available GHSA-rw2c-c256-3r53

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:hashconsing_project:hashconsing:*:*:*:*:*:rust:*:*before 1.1.0VulnerableHashconsing Project
  • cpe:2.3:a:hashconsing_project:hashconsing:*:*:*:*:*:rust:*:* Versions before 1.1.0 Vulnerable ·Hashconsing Project

Remediation

  • Fix · GHSA-rw2c-c256-3r53 hashconsing (crates.io) Fixed in 1.1.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-36215
  2. 2026-10-03 Alias added: GHSA-rw2c-c256-3r53

References

Sources