An issue was discovered in the id-map crate through 2021-02-26 for Rust.
Priority MEDIUM 44CWE-415Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-415 and the CVSS impact.
Summary
An issue was discovered in the id-map crate through 2021-02-26 for Rust. A double free can occur in get_or_insert upon a panic of a user-provided f function.
Why it matters now
EPSS 0.01139 66th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 |
| — | id-map (crates.io) | up to 0.2.1 | — | No fix listed | GHSA-vfqx-hv88-f9cv |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- id-map (crates.io) Vendor— Affected up to 0.2.1 Fixed in — No fix listed GHSA-vfqx-hv88-f9cv
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:id-map_project:id-map:*:*:*:*:*:rust:*:* | up to 2021-02-26 | Vulnerable | Id-map Project |
- cpe:2.3:a:id-map_project:id-map:*:*:*:*:*:rust:*:* Versions up to 2021-02-26 Vulnerable ·Id-map Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-30456
- 2026-10-03 Alias added: GHSA-vfqx-hv88-f9cv
References
More Id-map Project Id-map vulnerabilities
- TI-2021-10862 An issue was discovered in the id-map crate through 2021-02-26 for Rust. CVSS 3.1CRITICAL 9.8
- TI-2021-10860 An issue was discovered in the id-map crate through 2021-02-26 for Rust. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-30456 · CVE Program
- CVE-2021-30456 · NVD
- FIRST EPSS
- GHSA-vfqx-hv88-f9cv · GitHub Advisory Database · CC BY 4.0
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