{"id":"CVE-2020-35861","aliases":["GHSA-vqx7-pw4r-29rr","RUSTSEC-2020-0006"],"url":"https://o3.security/vulnerability/CVE-2020-35861","summary":"Out of bounds read in bumpalo","details":"An issue was discovered in the bumpalo crate before 3.2.1 for Rust. The realloc feature allows the reading of unknown memory. Attackers can potentially read cryptographic keys.","published":"2020-12-31T10:15:14.987Z","modified":"2026-10-24T10:30:48.451605286Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"crates.io","name":"bumpalo","fixedVersion":"3.2.1"}],"fix":null,"references":[{"type":"FIX","url":"https://rustsec.org/advisories/RUSTSEC-2020-0006.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-35861"},{"type":"WEB","url":"https://github.com/fitzgen/bumpalo/issues/69"},{"type":"PACKAGE","url":"https://github.com/fitzgen/bumpalo"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:30:48.451605286Z"}}