{"id":"CVE-2020-35912","aliases":["CVE-2020-35910","CVE-2020-35911","CVE-2020-35913","CVE-2020-35914","GHSA-5wg8-7c9q-794v","GHSA-gmv4-vmx3-x9f3","GHSA-hj9h-wrgg-hgmx","GHSA-ppj3-7jw3-8vc4","GHSA-vh4p-6j7g-f4j9","RUSTSEC-2020-0070"],"url":"https://o3.security/vulnerability/CVE-2020-35912","summary":"Data races in lock_api","details":"An issue was discovered in the lock_api crate before 0.4.2 for Rust. A data race can occur because of MappedRwLockWriteGuard unsoundness.","published":"2020-12-31T09:15:15.520Z","modified":"2026-07-08T21:25:48.872240Z","cvss":{"score":4.7,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"crates.io","name":"lock_api","fixedVersion":"0.4.2"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2020-0070.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T21:25:48.872240Z"}}