{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"vyper","cve_ids":["CVE-2023-39363"],"ecosystem":"PyPI","epss":0.00821,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-5824-cm3x-3c38","id":"tcs_01M5KGJGF0EACM4GZGWQ7CBGMK","modified_at":"2025-10-09T08:26:23.283831Z","published_at":"2023-08-07T19:15:00Z","references":["https://osv.dev/vulnerability/PYSEC-2023-142","https://github.com/vyperlang/vyper/security/advisories/GHSA-5824-cm3x-3c38","https://hackmd.io/@LlamaRisk/BJzSKHNjn","https://hackmd.io/@vyperlang/HJUgNMhs2","https://github.com/vyperlang/vyper/pull/2514","https://github.com/vyperlang/vyper/pull/2439"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"PYSEC-2023-142","url":"https://osv.dev/vulnerability/PYSEC-2023-142"}],"summary":"Vyer is a Pythonic Smart Contract Language for the Ethereum Virtual Machine (EVM). In versions 0.2.15, 0.2.16 and 0.3.0, named re-entrancy locks are allocated incorrectly. Each function using a named"}