CVE-2022-29255

    Dashboard / Vulnerabilities / CVE-2022-29255

    CVE-2022-29255

    Published: 6 Jun 2022Last Modified: 12 Aug 2026

    Summary: Multiple evaluation of contract address in call in vyper

    Details: Vyper is a Pythonic Smart Contract Language for the ethereum virtual machine. In versions prior to 0.3.4 when a calling an external contract with no return value, the contract address (including side effects) could be evaluated twice. This may result in incorrect outcomes for contracts. This issue has been addressed in v0.3.4.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/29xxx/CVE-2022-29255.json, https://github.com/vyperlang/vyper/security/advisories/GHSA-4v9q-cgpw-cf38, https://nvd.nist.gov/vuln/detail/CVE-2022-29255, https://github.com/vyperlang/vyper/commit/6b4d8ff185de071252feaa1c319712b2d6577f8d

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -f31f0ec406bbbd2055f125abd17278e3ac2ed84f

    Affected versions

    pre-release

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2022-29255 | CVE-DB