{"cve":"CVE-2021-28031","nvd":{"published":"2021-03-05T09:15:14.037","modified":"2026-06-17T03:45:44.930","status":"Modified","description":"An issue was discovered in the scratchpad crate before 1.3.1 for Rust. The move_elements function can have a double-free upon a panic in a user-provided f function.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-415"],"references":["https://rustsec.org/advisories/RUSTSEC-2021-0030.html","https://rustsec.org/advisories/RUSTSEC-2021-0030.html"],"products":["scratchpad_project:scratchpad"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-28031","score":0.01364,"percentile":0.71803,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-3qm2-rfqw-fmrw","url":"https://osv.dev/vulnerability/GHSA-3qm2-rfqw-fmrw","summary":"move_elements can double-free objects on panic","modified":"2023-11-08T04:05:27.727053Z","packages":[{"ecosystem":"crates.io","name":"scratchpad","purl":"pkg:cargo/scratchpad","ranges":["<1.3.1"],"fixed":["1.3.1"]}]},{"id":"RUSTSEC-2021-0030","url":"https://osv.dev/vulnerability/RUSTSEC-2021-0030","summary":"move_elements can double-free objects on panic","modified":"2023-11-08T04:05:27.727053Z","packages":[{"ecosystem":"crates.io","name":"scratchpad","purl":"pkg:cargo/scratchpad","ranges":[">=0.0.0-0 <1.3.1"],"fixed":["1.3.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}