{"cve":"CVE-2020-35907","nvd":{"published":"2020-12-31T09:15:15.240","modified":"2026-06-17T03:14:34.867","status":"Modified","description":"An issue was discovered in the futures-task crate before 0.3.5 for Rust. futures_task::noop_waker_ref allows a NULL pointer dereference.","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":["CWE-476"],"references":["https://rustsec.org/advisories/RUSTSEC-2020-0061.html","https://rustsec.org/advisories/RUSTSEC-2020-0061.html"],"products":["rust-lang:futures-task"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2020-35907","score":0.00407,"percentile":0.35023,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-p9m5-3hj7-cp5r","url":"https://osv.dev/vulnerability/GHSA-p9m5-3hj7-cp5r","summary":"futures_task::noop_waker_ref can segfault due to dereferencing a NULL pointer","modified":"2023-11-08T04:03:38.673466Z","packages":[{"ecosystem":"crates.io","name":"futures-task","purl":"pkg:cargo/futures-task","ranges":["<0.3.5"],"fixed":["0.3.5"]}]},{"id":"RUSTSEC-2020-0061","url":"https://osv.dev/vulnerability/RUSTSEC-2020-0061","summary":"futures_task::noop_waker_ref can segfault due to dereferencing a NULL pointer","modified":"2023-11-08T04:03:38.673466Z","packages":[{"ecosystem":"crates.io","name":"futures-task","purl":"pkg:cargo/futures-task","ranges":[">=0.0.0-0 <0.3.5"],"fixed":["0.3.5"]}]}],"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."]}