What’s Vulnerable › Vulnerabilities

CVE-2021-30456

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-07 · updated 2026-06-17
• Weakness: CWE-415

Description

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.

Affected products

• Id-Map Project Id-Map: through 2021-02-26

References

• https://rustsec.org/advisories/RUSTSEC-2021-0052.html
• https://rustsec.org/advisories/RUSTSEC-2021-0052.html

Get alerted when CVE-2021-30456 or the next vulnerability affects your stack