{"cve":"CVE-2017-1000430","nvd":{"published":"2018-01-02T20:29:00.313","modified":"2026-06-17T00:59:09.897","status":"Modified","description":"rust-base64 version <= 0.5.1 is vulnerable to a buffer overflow when calculating the size of a buffer to use when encoding base64 using the 'encode_config_buf' and 'encode_config' functions","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-119"],"references":["https://github.com/RustSec/advisory-db/blob/master/crates/base64/RUSTSEC-2017-0004.toml","https://github.com/RustSec/advisory-db/blob/master/crates/base64/RUSTSEC-2017-0004.toml"],"products":["rust-base64_project:rust-base64"],"source":"nvd","synced_at":"2026-10-19T20:47:56.471723566+00:00"},"epss":{"cve":"CVE-2017-1000430","score":0.01534,"percentile":0.74829,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-x67x-vg9m-65c3","url":"https://osv.dev/vulnerability/GHSA-x67x-vg9m-65c3","summary":"Integer overflow in base64","modified":"2023-11-08T03:58:46.425555Z","packages":[{"ecosystem":"crates.io","name":"base64","purl":"pkg:cargo/base64","ranges":["<0.5.2"],"fixed":["0.5.2"]}]},{"id":"RUSTSEC-2017-0004","url":"https://osv.dev/vulnerability/RUSTSEC-2017-0004","summary":"Integer overflow leads to heap-based buffer overflow in encode_config_buf","modified":"2023-11-08T03:58:46.425555Z","packages":[{"ecosystem":"crates.io","name":"base64","purl":"pkg:cargo/base64","ranges":[">=0.0.0-0 <0.5.2"],"fixed":["0.5.2"]}]}],"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."]}