TI-2020-18528 Aliases CVE-2020-36208 GHSA-3jc5-5hc5-33gj

An issue was discovered in the conquer-once crate before 0.3.2 for Rust.

LOW 34CWE-662Published 2021-01-22 · Updated 2024-08-04

Key facts

Attack vector: Local
Privileges required: Low
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-787 and the CVSS impact.

Summary

An issue was discovered in the conquer-once crate before 0.3.2 for Rust. Thread crossing can occur for a non-Send but Sync type, leading to memory corruption.

Why it matters now

EPSS 0.00437 38th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed conquer-once (crates.io): 0.3.2

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
—	conquer-once (crates.io)	before 0.3.2	0.3.2	Patch available	GHSA-3jc5-5hc5-33gj

— Vendor— Affected all versions Fixed in — No fix listed CNA
conquer-once (crates.io) Vendor— Affected before 0.3.2 Fixed in 0.3.2 Patch available GHSA-3jc5-5hc5-33gj

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:conquer-once_project:conquer-once::::::rust::*	before 0.3.2	Vulnerable	Conquer-once Project

cpe:2.3:a:conquer-once_project:conquer-once:*:*:*:*:*:rust:*:* Versions before 0.3.2 Vulnerable ·Conquer-once Project

Remediation

Fix · GHSA-3jc5-5hc5-33gj conquer-once (crates.io) Fixed in 0.3.2 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2020-36208
2026-10-03 Alias added: GHSA-3jc5-5hc5-33gj

References

Exploit 1

https://rustsec.org/advisories/RUSTSEC-2020-0101.html

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2020-36208

Other 2

Sources

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