{"action":"Upgrade tensorflow to 2.3.3 or later.","affected":[{"fixed":"2.3.3","introduced":"2.3.0"},{"fixed":"2.4.2","introduced":"2.4.0"}],"component":"tensorflow","cve_ids":["CVE-2021-29521"],"ecosystem":"PyPI","epss":0.00189,"exploited":false,"fixed_versions":["2.3.3","2.4.2"],"ghsa_id":"GHSA-hr84-fqvp-48mm","id":"tcs_01M5KFMAJG0Y8QC4Z9RGPCPMM9","modified_at":"2026-09-10T03:49:14.741706917Z","published_at":"2021-05-21T14:21:16Z","references":["https://osv.dev/vulnerability/GHSA-hr84-fqvp-48mm","https://github.com/tensorflow/tensorflow/security/advisories/GHSA-hr84-fqvp-48mm","https://nvd.nist.gov/vuln/detail/CVE-2021-29521","https://github.com/tensorflow/tensorflow/commit/c57c0b9f3a4f8684f3489dd9a9ec627ad8b599f5","https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2021-449.yaml","https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2021-647.yaml","https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2021-158.yaml"],"severity":{"label":"low","score":2.5},"sources":[{"source":"osv","source_id":"GHSA-hr84-fqvp-48mm","url":"https://osv.dev/vulnerability/GHSA-hr84-fqvp-48mm"}],"summary":"Segfault in SparseCountSparseOutput"}