PYSEC-2023-190

    Dashboard / Vulnerabilities / PYSEC-2023-190

    PYSEC-2023-190

    Published: 3 Oct 2023Last Modified: 10 Jun 2026

    Summary:

    Details: Versions of the package asyncua before 0.9.96 are vulnerable to Denial of Service (DoS) such that an attacker can send a malformed packet and as a result, the server will enter into an infinite loop and consume excessive memory.

    References: https://gist.github.com/artfire52/1540b234350795e0ecb4d672608dbec8, https://gist.github.com/artfire52/1540b234350795e0ecb4d672608dbec8, https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96, https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673709, https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673709, https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673709, https://github.com/FreeOpcUa/opcua-asyncio/issues/1013, https://github.com/FreeOpcUa/opcua-asyncio/issues/1013, https://github.com/FreeOpcUa/opcua-asyncio/pull/1039, https://github.com/FreeOpcUa/opcua-asyncio/commit/f6603daa34a93a658f0e176cb0b9ee5a6643b262, https://github.com/advisories/GHSA-gfvq-mxw3-mfq3

    Affected packages

    Package

    Name: asyncua

    Purl: pkg:pypi/asyncua

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -f6603daa34a93a658f0e176cb0b9ee5a6643b262

    Affected versions

    0.5.0
    0.5.1

    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-2023-190 | CVE-DB