TI-2021-20807 Aliases CVE-2021-45720 GHSA-v362-2895-h9r2

An issue was discovered in the lru crate before 0.7.1 for Rust.

LOW 35CWE-416Published 2021-12-26 · Updated 2024-08-04

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-416 and the CVSS impact.

Summary

An issue was discovered in the lru crate before 0.7.1 for Rust. The iterators have a use-after-free, as demonstrated by an access after a pop operation.

Why it matters now

EPSS 0.01219 68th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed lru (crates.io): 0.7.1

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
—	lru (crates.io)	before 0.7.1	0.7.1	Patch available	GHSA-v362-2895-h9r2

— Vendor— Affected all versions Fixed in — No fix listed CNA
lru (crates.io) Vendor— Affected before 0.7.1 Fixed in 0.7.1 Patch available GHSA-v362-2895-h9r2

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:lru_project:lru::::::rust::*	before 0.7.1	Vulnerable	Lru Project

cpe:2.3:a:lru_project:lru:*:*:*:*:*:rust:*:* Versions before 0.7.1 Vulnerable ·Lru Project

Remediation

Fix · GHSA-v362-2895-h9r2 lru (crates.io) Fixed in 0.7.1 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2021-45720
2026-10-03 Alias added: GHSA-v362-2895-h9r2

References

Exploit 1

https://rustsec.org/advisories/RUSTSEC-2021-0130.html

Advisory 2

Other 2

Sources

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