Vulnerability Details CVE-2023-42460
Vyper is a Pythonic Smart Contract Language for the EVM. The `_abi_decode()` function does not validate input when it is nested in an expression. Uses of `_abi_decode()` can be constructed which allow for bounds checking to be bypassed resulting in incorrect results. This issue has not yet been fixed, but a fix is expected in release `0.3.10`. Users are advised to reference pull request #3626.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 14.8%
CVSS Severity
CVSS v3 Score 5.3
References
Products affected by CVE-2023-42460
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cpe:2.3:a:vyperlang:vyper:0.3.4
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cpe:2.3:a:vyperlang:vyper:0.3.5
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cpe:2.3:a:vyperlang:vyper:0.3.6
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cpe:2.3:a:vyperlang:vyper:0.3.7
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cpe:2.3:a:vyperlang:vyper:0.3.8
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cpe:2.3:a:vyperlang:vyper:0.3.9