{"cve":"CVE-2018-20990","nvd":{"published":"2019-08-26T13:15:11.070","modified":"2026-06-17T01:53:53.547","status":"Modified","description":"An issue was discovered in the tar crate before 0.4.16 for Rust. Arbitrary file overwrite can occur via a symlink or hardlink in a TAR archive.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5},"cwes":["CWE-59"],"references":["https://rustsec.org/advisories/RUSTSEC-2018-0002.html","https://rustsec.org/advisories/RUSTSEC-2018-0002.html"],"products":["tar_project:tar"],"source":"nvd","synced_at":"2026-10-19T20:58:39.700375520+00:00"},"epss":{"cve":"CVE-2018-20990","score":0.01676,"percentile":0.76878,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-2367-c296-3mp2","url":"https://osv.dev/vulnerability/GHSA-2367-c296-3mp2","summary":"Arbitrary file overwrite in tar-rs","modified":"2023-11-08T04:00:13.305474Z","packages":[{"ecosystem":"crates.io","name":"tar","purl":"pkg:cargo/tar","ranges":["<0.4.16"],"fixed":["0.4.16"]}]},{"id":"RUSTSEC-2018-0002","url":"https://osv.dev/vulnerability/RUSTSEC-2018-0002","summary":"Links in archives can overwrite any existing file","modified":"2023-11-08T04:00:13.305474Z","packages":[{"ecosystem":"crates.io","name":"tar","purl":"pkg:cargo/tar","ranges":[">=0.0.0-0 <0.4.16"],"fixed":["0.4.16"]}]}],"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."]}