{"cve":"CVE-2020-35864","nvd":{"published":"2020-12-31T10:15:15.160","modified":"2026-06-17T03:14:29.397","status":"Modified","description":"An issue was discovered in the flatbuffers crate through 2020-04-11 for Rust. read_scalar (and read_scalar_at) can transmute values without unsafe blocks.","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":[],"references":["https://rustsec.org/advisories/RUSTSEC-2020-0009.html","https://rustsec.org/advisories/RUSTSEC-2020-0009.html"],"products":["google:flatbuffers"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2020-35864","score":0.00591,"percentile":0.48255,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-c9h5-hf8r-m97x","url":"https://osv.dev/vulnerability/GHSA-c9h5-hf8r-m97x","summary":"Dangling reference in flatbuffers","modified":"2023-11-08T04:03:36.276800Z","packages":[{"ecosystem":"crates.io","name":"flatbuffers","purl":"pkg:cargo/flatbuffers","ranges":[">=0.4.0 <2.0.0"],"fixed":["2.0.0"]}]},{"id":"RUSTSEC-2020-0009","url":"https://osv.dev/vulnerability/RUSTSEC-2020-0009","summary":"`read_scalar` and `read_scalar_at` allow transmuting values without `unsafe` blocks","modified":"2023-11-08T04:03:36.276800Z","packages":[{"ecosystem":"crates.io","name":"flatbuffers","purl":"pkg:cargo/flatbuffers","ranges":[">=0.4.0 <2.0.0"],"fixed":["2.0.0"]}]}],"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."]}