{"action":"Upgrade vyper to 0.3.8 or later.","affected":[{"fixed":"0.3.8","introduced":"0"}],"component":"vyper","cve_ids":["CVE-2023-31146"],"ecosystem":"PyPI","epss":0.01241,"exploited":false,"fixed_versions":["0.3.8"],"ghsa_id":"GHSA-3p37-3636-q8wv","id":"tcs_01M5KGKQSPFFEBWT0F5TQG3J0K","modified_at":"2023-11-08T04:12:30.067927Z","published_at":"2023-05-11T21:15:00Z","references":["https://osv.dev/vulnerability/PYSEC-2023-77","https://github.com/vyperlang/vyper/security/advisories/GHSA-3p37-3636-q8wv","https://github.com/vyperlang/vyper/commit/4f8289a81206f767df1900ac48f485d90fc87edb"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2023-77","url":"https://osv.dev/vulnerability/PYSEC-2023-77"}],"summary":"Vyper is a Pythonic smart contract language for the Ethereum virtual machine. Prior to version 0.3.8, during codegen, the length word of a dynarray is written before the data, which can result in out-"}