{"action":"Upgrade vyper to 0.3.1 or later.","affected":[{"fixed":"0.3.1","introduced":"0.2.15"}],"component":"vyper","cve_ids":["CVE-2023-39363"],"ecosystem":"PyPI","epss":0.00821,"exploited":false,"fixed_versions":["0.3.1"],"ghsa_id":"GHSA-5824-cm3x-3c38","id":"tcs_01M5KF0B9CAAX1CBTTZ97QJZ6M","modified_at":"2026-09-10T03:49:57.451549676Z","published_at":"2023-08-09T14:27:57Z","references":["https://osv.dev/vulnerability/GHSA-5824-cm3x-3c38","https://github.com/vyperlang/vyper/security/advisories/GHSA-5824-cm3x-3c38","https://nvd.nist.gov/vuln/detail/CVE-2023-39363","https://github.com/vyperlang/vyper/pull/2439","https://github.com/vyperlang/vyper/pull/2514","https://github.com/pypa/advisory-database/tree/main/vulns/vyper/PYSEC-2023-142.yaml","https://github.com/vyperlang/vyper","https://hackmd.io/@LlamaRisk/BJzSKHNjn","https://hackmd.io/@vyperlang/HJUgNMhs2"],"severity":{"label":"high","score":8.7},"sources":[{"source":"osv","source_id":"GHSA-5824-cm3x-3c38","url":"https://osv.dev/vulnerability/GHSA-5824-cm3x-3c38"}],"summary":"Vyper has incorrectly allocated named re-entrancy locks"}