{"id":"CVE-2024-24564","summary":"Vyper extract32 can ready dirty memory","details":"Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. When using the built-in `extract32(b, start)`, if the `start` index provided has for side effect to update `b`, the byte array to extract `32` bytes from, it could be that some dirty memory is read and returned by `extract32`. This vulnerability is fixed in 0.4.0.","aliases":["GHSA-4hwq-4cpm-8vmx","PYSEC-2024-205"],"modified":"2026-08-12T03:51:45.912846739Z","published":"2024-02-26T20:16:13.604Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/24xxx/CVE-2024-24564.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-125"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/24xxx/CVE-2024-24564.json"},{"type":"ADVISORY","url":"https://github.com/vyperlang/vyper/security/advisories/GHSA-4hwq-4cpm-8vmx"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-24564"},{"type":"FIX","url":"https://github.com/vyperlang/vyper/commit/3d9c537142fb99b2672f21e2057f5f202cde194f"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/vyperlang/vyper","events":[{"introduced":"0"},{"fixed":"e9db8d9f7486eae38f5b86531629019ad28f514e"},{"fixed":"3d9c537142fb99b2672f21e2057f5f202cde194f"}],"database_specific":{"cpe":"cpe:2.3:a:vyperlang:vyper:*:*:*:*:*:python:*:*","extracted_events":[{"introduced":"0"},{"fixed":"0.4.0"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v0.4.0rc6","v0.4.0rc5","v0.4.0rc4","v0.4.0rc3","v0.4.0rc2","v0.4.0rc1","v0.4.0b6","v0.4.0b5","v0.4.0b4","v0.4.0b3","v0.4.0b2","v0.4.0b1","v0.3.10","v0.3.10rc5","v0.3.10rc4","v0.3.10rc3","v0.3.10rc2","v0.3.10rc1","v0.3.9","v0.3.8","v0.3.7","v0.3.6","v0.3.5","v0.3.4","pre-release","v0.3.3","v0.3.2","v0.3.1","v0.3.0","v0.2.16","v0.2.15","v0.2.14","v0.2.13","v0.2.12","v0.2.11","v0.2.10","v0.2.9","v0.2.8","v0.2.7","v0.2.6","v0.2.5","v0.2.4","v0.2.3","v0.2.2","v0.2.1","0.2.1","v0.2.0","v0.1.0-beta.17","v0.1.0-beta.16","v0.1.0-beta.15","v0.1.0-beta.14","v0.1.0-beta.13","v0.1.0-beta.12","v0.1.0-beta.11","v0.1.0-beta.10","v0.1.0-beta.9","v0.1.0-beta.8","v0.1.0-beta.7","v0.1.0-beta.6","v0.1.0-beta.5","v0.1.0-beta.3","v0.1.0-beta.2","v0.1.0-beta.1","v0.0.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-24564.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}