{"id":"CVE-2017-1000430","aliases":["GHSA-x67x-vg9m-65c3","RUSTSEC-2017-0004"],"url":"https://o3.security/vulnerability/CVE-2017-1000430","summary":"Integer overflow in base64","details":"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","published":"2018-01-02T20:29:00.313Z","modified":"2026-08-27T08:18:39.583095Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"crates.io","name":"base64","fixedVersion":"0.5.2"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/RustSec/advisory-db/blob/master/crates/base64/RUSTSEC-2017-0004.toml"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T08:18:39.583095Z"}}