{"cve":"CVE-2021-29933","nvd":{"published":"2021-04-01T05:15:14.483","modified":"2026-06-17T03:48:27.960","status":"Modified","description":"An issue was discovered in the insert_many crate through 2021-01-26 for Rust. Elements may be dropped twice if a .next() method panics.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-415"],"references":["https://rustsec.org/advisories/RUSTSEC-2021-0042.html","https://rustsec.org/advisories/RUSTSEC-2021-0042.html"],"products":["insert_many_project:insert_many"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2021-29933","score":0.01175,"percentile":0.67574,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-29hg-r7c7-54fr","url":"https://osv.dev/vulnerability/GHSA-29hg-r7c7-54fr","summary":"Double free in insert_many","modified":"2023-11-08T04:05:43.697683Z","packages":[{"ecosystem":"crates.io","name":"insert_many","purl":"pkg:cargo/insert_many","ranges":["<=0.1.1"],"fixed":[]}]},{"id":"RUSTSEC-2021-0042","url":"https://osv.dev/vulnerability/RUSTSEC-2021-0042","summary":"insert_many can drop elements twice on panic","modified":"2023-11-08T04:05:43.697683Z","packages":[{"ecosystem":"crates.io","name":"insert_many","purl":"pkg:cargo/insert_many","ranges":[">=0.0.0-0"],"fixed":[]}]}],"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."]}