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    Debian: DSA-4761-1: zeromq3 security update

    Date
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    It was discovered that ZeroMQ, a lightweight messaging kernel library does not properly handle connecting peers before a handshake is completed. A remote, unauthenticated client connecting to an application using the libzmq library, running with a socket listening with CURVE
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-4761-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    September 07, 2020                    https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : zeromq3
    CVE ID         : CVE-2020-15166
    
    It was discovered that ZeroMQ, a lightweight messaging kernel library
    does not properly handle connecting peers before a handshake is
    completed. A remote, unauthenticated client connecting to an application
    using the libzmq library, running with a socket listening with CURVE
    encryption/authentication enabled can take advantage of this flaw to
    cause a denial of service affecting authenticated and encrypted clients.
    
    For the stable distribution (buster), this problem has been fixed in
    version 4.3.1-4+deb10u2.
    
    We recommend that you upgrade your zeromq3 packages.
    
    For the detailed security status of zeromq3 please refer to its security
    tracker page at:
    https://security-tracker.debian.org/tracker/zeromq3
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    

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