MGASA-2021-0159

    Dashboard / Vulnerabilities / MGASA-2021-0159

    MGASA-2021-0159

    Published: 30 Mar 2021Last Modified: 16 Apr 2026

    Summary: Updated zeromq packages fix security vulnerabilities

    Details: Memory leak in client induced by malicious server without CURVE/ZAP (rhbz#1921972). Stack overflow on server running PUB/XPUB socket (rhbz#1921976). Heap overflow when receiving malformed ZMTP v1 packets (rhbz#1921983). Memory leaks via metadata messages processed by PUB sockets (rhbz#1921989). Also, the cppzmq package has been rebuilt to fix the broken dependency on zeromq-devel.

    References: https://advisories.mageia.org/MGASA-2021-0159.html, https://bugs.mageia.org/show_bug.cgi?id=28320, https://lists.zeromq.org/pipermail/zeromq-announce/2021-January/000068.html, https://lists.fedoraproject.org/archives/list/[email protected]/thread/A73URKLEFEB5USSGSLKTP7XWE5JUKSB7/

    Affected packages

    Package

    Name: zeromq

    Purl: pkg:rpm/mageia/zeromq?arch=source&distro=mageia-7

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.3.4-1.1.mga7

    Affected versions

    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
    MGASA-2021-0159 | CVE-DB