{"cve":"CVE-2021-26954","nvd":{"published":"2021-02-09T23:15:13.850","modified":"2026-06-17T03:44:04.157","status":"Modified","description":"An issue was discovered in the qwutils crate before 0.3.1 for Rust. When a Clone panic occurs, insert_slice_clone can perform a double drop.","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:L","score":5.3},"cwes":["CWE-415"],"references":["https://rustsec.org/advisories/RUSTSEC-2021-0018.html","https://rustsec.org/advisories/RUSTSEC-2021-0018.html"],"products":["qwutils_project:qwutils"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2021-26954","score":0.01359,"percentile":0.71702,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-68p4-pjpf-xwcq","url":"https://osv.dev/vulnerability/GHSA-68p4-pjpf-xwcq","summary":"insert_slice_clone can double drop if Clone panics.","modified":"2023-11-08T04:05:23.024619Z","packages":[{"ecosystem":"crates.io","name":"qwutils","purl":"pkg:cargo/qwutils","ranges":["<0.3.1"],"fixed":["0.3.1"]}]},{"id":"RUSTSEC-2021-0018","url":"https://osv.dev/vulnerability/RUSTSEC-2021-0018","summary":"insert_slice_clone can double drop if Clone panics.","modified":"2023-11-08T04:05:23.024619Z","packages":[{"ecosystem":"crates.io","name":"qwutils","purl":"pkg:cargo/qwutils","ranges":[">=0.0.0-0 <0.3.1"],"fixed":["0.3.1"]}]}],"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."]}