{"id":"CVE-2021-46102","aliases":["GHSA-xwqr-xmgg-j69q"],"url":"https://o3.security/vulnerability/CVE-2021-46102","summary":"Integer overflow in solana_rbpf","details":"From version 0.2.14 to 0.2.16 for Solana rBPF, function \"relocate\" in the file src/elf.rs has an integer overflow bug because the sym.st_value is read directly from ELF file without checking. If the sym.st_value is rather large, an integer overflow is triggered while calculating the variable \"addr\" via \"addr = (sym.st_value + refd_pa) as u64\";","published":"2022-01-27T18:15:07.770Z","modified":"2026-07-08T23:46:46.891558Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":2,"affectedPackages":[{"ecosystem":"crates.io","name":"solana_rbpf","fixedVersion":"0.2.17"}],"fix":{"url":"https://github.com/solana-labs/rbpf/pull/200","label":"solana-labs/rbpf#200"},"references":[{"type":"FIX","url":"https://github.com/solana-labs/rbpf/pull/200"},{"type":"FIX","url":"https://github.com/solana-labs/rbpf/pull/236"},{"type":"EVIDENCE","url":"https://blocksecteam.medium.com/new-integer-overflow-bug-discovered-in-solana-rbpf-7729717159ee"},{"type":"EVIDENCE","url":"https://github.com/solana-labs/rbpf/blob/c14764850f0b83b58aa013248eaf6d65836c1218/src/elf.rs#L609-L630"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T23:46:46.891558Z"}}