{"id":"CVE-2023-28859","aliases":["GHSA-8fww-64cx-x8p5","PYSEC-2023-46"],"url":"https://o3.security/vulnerability/CVE-2023-28859","summary":"redis-py Race Condition due to incomplete fix","details":"redis-py before 4.4.4 and 4.5.x before 4.5.4 leaves a connection open after canceling an async Redis command at an inopportune time, and can send response data to the client of an unrelated request. (This could, for example, happen for a non-pipeline operation.) NOTE: the solutions for CVE-2023-28859 address data leakage across AsyncIO connections in general.","published":"2023-03-26T00:00:00Z","modified":"2026-07-15T01:49:11.844728746Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"redis","fixedVersion":"4.5.4"},{"ecosystem":"PyPI","name":"redis","fixedVersion":"4.4.4"}],"fix":{"url":"https://github.com/redis/redis-py/pull/2641","label":"redis/redis-py#2641"},"references":[{"type":"WEB","url":"https://github.com/redis/redis-py/releases/tag/v4.4.4"},{"type":"WEB","url":"https://github.com/redis/redis-py/releases/tag/v4.5.4"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/28xxx/CVE-2023-28859.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28859"},{"type":"REPORT","url":"https://github.com/redis/redis-py/issues/2665"},{"type":"FIX","url":"https://github.com/redis/redis-py/pull/2641"},{"type":"FIX","url":"https://github.com/redis/redis-py/pull/2666"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:49:11.844728746Z"}}