{"cve":"CVE-2020-35904","nvd":{"published":"2020-12-31T09:15:15.067","modified":"2026-06-17T03:14:34.493","status":"Modified","description":"An issue was discovered in the crossbeam-channel crate before 0.4.4 for Rust. It has incorrect expectations about the relationship between the memory allocation and how many iterator elements there are.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://rustsec.org/advisories/RUSTSEC-2020-0052.html","https://rustsec.org/advisories/RUSTSEC-2020-0052.html"],"products":["crossbeam-channel_project:crossbeam-channel"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2020-35904","score":0.00393,"percentile":0.33484,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-m8h8-v6jh-c762","url":"https://osv.dev/vulnerability/GHSA-m8h8-v6jh-c762","summary":"Incorrect buffer size in crossbeam-channel","modified":"2023-11-08T04:02:35.713139Z","packages":[{"ecosystem":"crates.io","name":"crossbeam-channel","purl":"pkg:cargo/crossbeam-channel","ranges":[">=0.4.3 <0.4.4"],"fixed":["0.4.4"]}]},{"id":"GHSA-v5m7-53cv-f3hx","url":"https://osv.dev/vulnerability/GHSA-v5m7-53cv-f3hx","summary":"crossbeam-channel Undefined Behavior before v0.4.4","modified":"2026-07-08T06:27:45.679651074Z","packages":[{"ecosystem":"crates.io","name":"crossbeam-channel","purl":"pkg:cargo/crossbeam-channel","ranges":[">=0.4.3 <0.4.4"],"fixed":["0.4.4"]}]},{"id":"RUSTSEC-2020-0052","url":"https://osv.dev/vulnerability/RUSTSEC-2020-0052","summary":"Undefined Behavior in bounded channel","modified":"2023-11-08T04:02:35.713139Z","packages":[{"ecosystem":"crates.io","name":"crossbeam-channel","purl":"pkg:cargo/crossbeam-channel","ranges":[">=0.4.3 <0.4.4"],"fixed":["0.4.4"]}]}],"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."]}