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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | hashconsing (crates.io) | before 1.1.0 | 1.1.0 | Patch available | GHSA-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
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hashconsing_project:hashconsing:*:*:*:*:*:rust:*:* | before 1.1.0 | Vulnerable | Hashconsing 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
- 2026-10-02 Threatist record created from CVE-2020-36215
- 2026-10-03 Alias added: GHSA-rw2c-c256-3r53
References
Sources
- CVE-2020-36215 · CVE Program
- CVE-2020-36215 · NVD
- FIRST EPSS
- GHSA-rw2c-c256-3r53 · 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