CVSS 3.1 Score 3.7 of 10 (low)


Published Feb 26, 2024
CWE ID 119


CVE-2024-26149 is a vulnerability in Vyper, a pythonic Smart Contract Language for the ethereum virtual machine. The vulnerability affects version 0.3.10 and earlier versions. It occurs when an excessively large value is specified as the starting index for an array in _abi_decode, causing the read position to overflow and resulting in the decoding of values outside the intended array bounds. This can potentially be exploited in contracts that use arrays within _abi_decode. The base severity of this vulnerability is rated as LOW, with a base score of 3.7, and it requires no privileges or user interaction to exploit. The potential danger lies in the possibility of unauthorized access to sensitive data, although the confidentiality impact is rated as LOW. Remediation for this vulnerability may involve updating Vyper to a version that has addressed the issue.

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