{"cve":"CVE-2020-35893","nvd":{"published":"2020-12-31T10:15:16.910","modified":"2026-06-17T03:14:33.033","status":"Modified","description":"An issue was discovered in the simple-slab crate before 0.3.3 for Rust. remove() has an off-by-one error, causing memory leakage and a drop of uninitialized memory.","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":["CWE-193","CWE-401","CWE-908"],"references":["https://rustsec.org/advisories/RUSTSEC-2020-0039.html","https://rustsec.org/advisories/RUSTSEC-2020-0039.html"],"products":["simple-slab_project:simple-slab"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2020-35893","score":0.01352,"percentile":0.71558,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-438g-fx34-4h9m","url":"https://osv.dev/vulnerability/GHSA-438g-fx34-4h9m","summary":"Out of bounds read in simple-slab","modified":"2023-11-08T04:03:37.869412Z","packages":[{"ecosystem":"crates.io","name":"simple-slab","purl":"pkg:cargo/simple-slab","ranges":["<0.3.3"],"fixed":["0.3.3"]}]},{"id":"GHSA-hqc8-j86x-2764","url":"https://osv.dev/vulnerability/GHSA-hqc8-j86x-2764","summary":"Off-by-one error in simple-slab","modified":"2023-11-08T04:03:37.869412Z","packages":[{"ecosystem":"crates.io","name":"simple-slab","purl":"pkg:cargo/simple-slab","ranges":["<0.3.3"],"fixed":["0.3.3"]}]},{"id":"RUSTSEC-2020-0039","url":"https://osv.dev/vulnerability/RUSTSEC-2020-0039","summary":"`index()` allows out-of-bound read and `remove()` has off-by-one error","modified":"2023-11-08T04:03:37.869412Z","packages":[{"ecosystem":"crates.io","name":"simple-slab","purl":"pkg:cargo/simple-slab","ranges":[">=0.0.0-0 <0.3.3"],"fixed":["0.3.3"]}]}],"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."]}