PYSEC-2021-345

    Dashboard / Vulnerabilities / PYSEC-2021-345

    PYSEC-2021-345

    Published: 10 Sept 2021Last Modified: 9 Oct 2025

    Summary:

    Details: The rencode package through 1.0.6 for Python allows an infinite loop in typecode decoding (such as via ;\x2f\x7f), enabling a remote attack that consumes CPU and memory.

    References: https://github.com/aresch/rencode/pull/29, https://pypi.org/project/rencode/#history, https://seclists.org/fulldisclosure/2021/Sep/16, https://github.com/aresch/rencode/commit/572ff74586d9b1daab904c6f7f7009ce0143bb75, https://github.com/advisories/GHSA-gh8j-2pgf-x458

    Affected packages

    Package

    Name: rencode

    Purl: pkg:pypi/rencode

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -572ff74586d9b1daab904c6f7f7009ce0143bb75

    Affected versions

    1.0.3
    1.0.4
    1.0.5
    1.0.6
    1.0.7
    1.0.8

    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
    PYSEC-2021-345 | CVE-DB