{"cve":"CVE-2021-45701","nvd":{"published":"2021-12-27T00:15:09.700","modified":"2026-06-17T04:13:58.577","status":"Modified","description":"An issue was discovered in the tremor-script crate before 0.11.6 for Rust. A patch operation may result in a use-after-free.","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-416"],"references":["https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/tremor-script/RUSTSEC-2021-0111.md","https://rustsec.org/advisories/RUSTSEC-2021-0111.html","https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/tremor-script/RUSTSEC-2021-0111.md","https://rustsec.org/advisories/RUSTSEC-2021-0111.html"],"products":["linuxfoundation:tremor-script"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2021-45701","score":0.0123,"percentile":0.68954,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-3pp4-64mp-9cg9","url":"https://osv.dev/vulnerability/GHSA-3pp4-64mp-9cg9","summary":"Memory Safety Issue when using `patch` or `merge` on `state` and assign the result back to `state`","modified":"2023-11-08T04:07:22.748212Z","packages":[{"ecosystem":"crates.io","name":"tremor-script","purl":"pkg:cargo/tremor-script","ranges":[">=0.7.2 <0.11.6"],"fixed":["0.11.6"]}]},{"id":"GHSA-9qvw-46gf-4fv8","url":"https://osv.dev/vulnerability/GHSA-9qvw-46gf-4fv8","summary":"Use After Free in tremor-script","modified":"2023-11-08T04:07:22.748212Z","packages":[{"ecosystem":"crates.io","name":"tremor-script","purl":"pkg:cargo/tremor-script","ranges":[">=0.7.2 <0.11.6"],"fixed":["0.11.6"]}]},{"id":"GHSA-q2x5-6q7q-r872","url":"https://osv.dev/vulnerability/GHSA-q2x5-6q7q-r872","summary":"Use After Free in tremor-script","modified":"2023-11-08T04:07:22.748212Z","packages":[{"ecosystem":"crates.io","name":"tremor-script","purl":"pkg:cargo/tremor-script","ranges":[">=0.7.2 <0.11.6"],"fixed":["0.11.6"]}]},{"id":"RUSTSEC-2021-0111","url":"https://osv.dev/vulnerability/RUSTSEC-2021-0111","summary":"Memory Safety Issue when using `patch` or `merge` on `state` and assign the result back to `state`","modified":"2023-11-08T04:07:22.748212Z","packages":[{"ecosystem":"crates.io","name":"tremor-script","purl":"pkg:cargo/tremor-script","ranges":[">=0.7.3-0 <0.11.6"],"fixed":["0.11.6"]}]}],"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."]}