id: PYSEC-2024-164
modified: 2025-01-16T21:21:41.436934Z
published: 2024-02-26T20:19:05Z
aliases:
- CVE-2024-26149
- GHSA-9p8r-4xp4-gw5w
details: 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:
- package:
    ecosystem: PyPI
    name: vyper
    purl: pkg:pypi/vyper
  ranges:
  - type: ECOSYSTEM
    events:
    - introduced: "0"
    - fixed: 0.4.0b1
  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
  - 0.3.0
  - 0.3.1
  - 0.3.10
  - 0.3.10rc1
  - 0.3.10rc2
  - 0.3.10rc3
  - 0.3.10rc4
  - 0.3.10rc5
  - 0.3.2
  - 0.3.3
  - 0.3.4
  - 0.3.5
  - 0.3.6
  - 0.3.7
  - 0.3.8
  - 0.3.9
severity:
- type: CVSS_V3
  score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
references:
- type: ADVISORY
  url: https://github.com/vyperlang/vyper/security/advisories/GHSA-9p8r-4xp4-gw5w
- type: EVIDENCE
  url: https://github.com/vyperlang/vyper/security/advisories/GHSA-9p8r-4xp4-gw5w
- type: FIX
  url: https://github.com/vyperlang/vyper/security/advisories/GHSA-9p8r-4xp4-gw5w
- type: ADVISORY
  url: https://github.com/advisories/GHSA-9p8r-4xp4-gw5w