{"id":"CVE-2024-26149","state":"PUBLISHED","title":"Vyper _abi_decode Memory Overflow","description":"Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. If an excessively large value is specified as the starting index for an array in `_abi_decode`, it can cause the read position to overflow. This results in the decoding of values outside the intended array bounds, potentially leading to exploitations in contracts that use arrays within `_abi_decode`. This vulnerability affects 0.3.10 and earlier versions.","publishedAt":"2024-02-26T20:16:01.688Z","updatedAt":"2024-08-22T20:44:05.129Z","severity":{"score":3.7,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["vyperlang vyper"],"affected":[{"vendor":"vyperlang","product":"vyper","versions":[{"version":"<= 0.3.10","status":"affected"}]}],"references":["https://github.com/vyperlang/vyper/security/advisories/GHSA-9p8r-4xp4-gw5w"],"weaknesses":["CWE-119"],"ingestedAt":"2026-10-29T20:07:10.607Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/26xxx/CVE-2024-26149.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-26149","state":"PUBLISHED","datePublished":"2024-02-26T20:16:01.688Z","dateUpdated":"2024-08-22T20:44:05.129Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2024-02-14T17:40:03.690Z"},"containers":{"cna":{"title":"Vyper _abi_decode Memory Overflow","descriptions":[{"lang":"en","value":"Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. If an excessively large value is specified as the starting index for an array in `_abi_decode`, it can cause the read position to overflow. This results in the decoding of values outside the intended array bounds, potentially leading to exploitations in contracts that use arrays within `_abi_decode`. This vulnerability affects 0.3.10 and earlier versions."}],"affected":[{"vendor":"vyperlang","product":"vyper","versions":[{"version":"<= 0.3.10","status":"affected"}]}],"references":[{"url":"https://github.com/vyperlang/vyper/security/advisories/GHSA-9p8r-4xp4-gw5w","name":"https://github.com/vyperlang/vyper/security/advisories/GHSA-9p8r-4xp4-gw5w","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.7,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-119","lang":"en","description":"CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2024-02-26T20:16:01.688Z"},"source":{"advisory":"GHSA-9p8r-4xp4-gw5w","discovery":"UNKNOWN"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/vyperlang/vyper/security/advisories/GHSA-9p8r-4xp4-gw5w","name":"https://github.com/vyperlang/vyper/security/advisories/GHSA-9p8r-4xp4-gw5w","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-01T23:59:32.573Z"}},{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"vyperlang","product":"vyper","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"0.3.10","versionType":"custom"}],"cpes":["cpe:2.3:a:vyperlang:vyper:*:*:*:*:*:python:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-02-27T15:58:20.730504Z","id":"CVE-2024-26149","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-08-22T20:44:05.129Z"}}]}}}