{"action":"Upgrade tensorflow-cpu to 2.6.1 or later.","affected":[{"fixed":"2.6.1","introduced":"2.6.0"}],"component":"tensorflow-cpu","cve_ids":["CVE-2021-41220"],"ecosystem":"PyPI","epss":0.00211,"exploited":false,"fixed_versions":["2.6.1"],"ghsa_id":"GHSA-gpfh-jvf9-7wg5","id":"tcs_01M5KFHZC1TAD9TCP3A9SWNH32","modified_at":"2026-07-08T06:28:10.310979816Z","published_at":"2021-11-10T18:51:21Z","references":["https://osv.dev/vulnerability/GHSA-gpfh-jvf9-7wg5","https://github.com/tensorflow/tensorflow/security/advisories/GHSA-gpfh-jvf9-7wg5","https://nvd.nist.gov/vuln/detail/CVE-2021-41220","https://github.com/tensorflow/tensorflow/commit/ca38dab9d3ee66c5de06f11af9a4b1200da5ef75","https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2021-629.yaml","https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2021-827.yaml","https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2021-412.yaml","https://github.com/tensorflow/tensorflow"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"GHSA-gpfh-jvf9-7wg5#PyPI/tensorflow-cpu","url":"https://osv.dev/vulnerability/GHSA-gpfh-jvf9-7wg5"}],"summary":"Use after free / memory leak in `CollectiveReduceV2`"}