VYPR
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Medium severity5.3NVD Advisory· Published Sep 27, 2023· Updated Jun 17, 2026

CVE-2023-42460

CVE-2023-42460

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
vyperPyPI
>= 0.3.4, < 0.3.100.3.10

Affected products

3
  • Vyperlang/Vyper2 versions
    cpe:2.3:a:vyperlang:vyper:*:*:*:*:*:python:*:*+ 1 more
    • cpe:2.3:a:vyperlang:vyper:*:*:*:*:*:python:*:*range: >=0.3.4,<0.3.10
    • (no CPE)range: >= 0.3.4, < 0.3.10
  • ghsa-coords
    pkg:pypi/vyper
    Range: >= 0.3.4, < 0.3.10

Patches

Vulnerability mechanics

References

5

News mentions

0

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