{"cve":"CVE-2020-35858","nvd":{"published":"2020-12-31T10:15:14.830","modified":"2026-06-17T03:14:28.637","status":"Modified","description":"An issue was discovered in the prost crate before 0.6.1 for Rust. There is stack consumption via a crafted message, causing a denial of service (e.g., x86) or possibly remote code execution (e.g., ARM).","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-787"],"references":["https://rustsec.org/advisories/RUSTSEC-2020-0002.html","https://rustsec.org/advisories/RUSTSEC-2020-0002.html"],"products":["prost_project:prost"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2020-35858","score":0.03401,"percentile":0.88847,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-gv73-9mwv-fwgq","url":"https://osv.dev/vulnerability/GHSA-gv73-9mwv-fwgq","summary":"Out of bounds write in prost","modified":"2023-11-08T04:03:35.913705Z","packages":[{"ecosystem":"crates.io","name":"prost","purl":"pkg:cargo/prost","ranges":["<0.6.1"],"fixed":["0.6.1"]}]},{"id":"RUSTSEC-2020-0002","url":"https://osv.dev/vulnerability/RUSTSEC-2020-0002","summary":"Parsing a specially crafted message can result in a stack overflow","modified":"2026-07-17T16:00:03.225113771Z","packages":[{"ecosystem":"crates.io","name":"prost","purl":"pkg:cargo/prost","ranges":[">=0.0.0-0 <0.6.1"],"fixed":["0.6.1"]}]}],"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."]}