{"action":"Upgrade vyper to 0.3.8 or later.","affected":[{"fixed":"0.3.8","introduced":"0"}],"component":"vyper","cve_ids":["CVE-2023-46247"],"ecosystem":"PyPI","epss":0.00692,"exploited":false,"fixed_versions":["0.3.8"],"ghsa_id":"GHSA-6m97-7527-mh74","id":"tcs_01M5KF3PJ4BJPF332AR50Y8WVC","modified_at":"2026-09-10T03:49:59.391185148Z","published_at":"2023-12-13T13:18:52Z","references":["https://osv.dev/vulnerability/GHSA-6m97-7527-mh74","https://github.com/vyperlang/vyper/security/advisories/GHSA-6m97-7527-mh74","https://nvd.nist.gov/vuln/detail/CVE-2023-46247","https://github.com/vyperlang/vyper/commit/0bb7203b584e771b23536ba065a6efda457161bb","https://github.com/pypa/advisory-database/tree/main/vulns/vyper/PYSEC-2023-307.yaml","https://github.com/vyperlang/vyper","https://github.com/vyperlang/vyper/blob/6020b8bbf66b062d299d87bc7e4eddc4c9d1c157/vyper/semantics/validation/data_positions.py#L197"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-6m97-7527-mh74","url":"https://osv.dev/vulnerability/GHSA-6m97-7527-mh74"}],"summary":"incorrect storage layout for contracts containing large arrays"}