{"id":"GHSA-c7pr-343r-5c46","summary":"missing clamps for decimal args in external functions","details":"### Impact\n\nThe following code does not properly validate that its input is in bounds.\n\n```python\n@external\ndef foo(x: decimal) -\u003e decimal:\n    return x\n```\n\n### Patches\n0.3.0 / #2447\n\n### Workarounds\nDon't use decimal args\n\n","aliases":["CVE-2021-41122","PYSEC-2021-366"],"modified":"2026-07-08T06:29:21.993928485Z","published":"2021-10-06T17:48:46Z","database_specific":{"github_reviewed_at":"2021-10-06T13:26:05Z","nvd_published_at":"2021-10-05T23:15:00Z","cwe_ids":["CWE-682"],"severity":"MODERATE","github_reviewed":true},"references":[{"type":"WEB","url":"https://github.com/vyperlang/vyper/security/advisories/GHSA-c7pr-343r-5c46"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41122"},{"type":"WEB","url":"https://github.com/vyperlang/vyper/pull/2447"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/vyper/PYSEC-2021-366.yaml"},{"type":"PACKAGE","url":"https://github.com/vyperlang/vyper"}],"affected":[{"package":{"name":"vyper","ecosystem":"PyPI","purl":"pkg:pypi/vyper"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.0"}]}],"versions":["0.1.0b1","0.1.0b10","0.1.0b11","0.1.0b12","0.1.0b13","0.1.0b14","0.1.0b15","0.1.0b16","0.1.0b17","0.1.0b2","0.1.0b3","0.1.0b4","0.1.0b5","0.1.0b6","0.1.0b7","0.1.0b8","0.1.0b9","0.2.1","0.2.10","0.2.11","0.2.12","0.2.13","0.2.14","0.2.15","0.2.16","0.2.2","0.2.3","0.2.4","0.2.5","0.2.6","0.2.7","0.2.8","0.2.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/10/GHSA-c7pr-343r-5c46/GHSA-c7pr-343r-5c46.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"}]}