{"action":"Upgrade tensorflow-cpu to 2.3.4 or later.","affected":[{"fixed":"2.3.4","introduced":"0"},{"fixed":"2.4.3","introduced":"2.4.0"},{"fixed":"2.5.1","introduced":"2.5.0"}],"component":"tensorflow-cpu","cve_ids":["CVE-2021-37656"],"ecosystem":"PyPI","epss":0.00167,"exploited":false,"fixed_versions":["2.3.4","2.4.3","2.5.1"],"ghsa_id":"GHSA-4xfp-4pfp-89wg","id":"tcs_01M5KEZECE1KT9Z98ABD9KNMPJ","modified_at":"2026-07-08T06:28:06.096423245Z","published_at":"2021-08-25T14:42:55Z","references":["https://osv.dev/vulnerability/GHSA-4xfp-4pfp-89wg","https://github.com/tensorflow/tensorflow/security/advisories/GHSA-4xfp-4pfp-89wg","https://nvd.nist.gov/vuln/detail/CVE-2021-37656","https://github.com/tensorflow/tensorflow/commit/1071f554dbd09f7e101324d366eec5f4fe5a3ece","https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2021-569.yaml","https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2021-767.yaml","https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2021-278.yaml","https://github.com/tensorflow/tensorflow"],"severity":{"label":"high","score":7.1},"sources":[{"source":"osv","source_id":"GHSA-4xfp-4pfp-89wg#PyPI/tensorflow-cpu","url":"https://osv.dev/vulnerability/GHSA-4xfp-4pfp-89wg"}],"summary":"Reference binding to nullptr in `RaggedTensorToSparse`"}