Debian: DSA-4570-1: mosquitto security update

    Date 17 Nov 2019
    732
    Posted By LinuxSecurity Advisories
    A vulnerability was discovered in mosquitto, a MQTT version 3.1/3.1.1 compatible message broker, allowing a malicious MQTT client to cause a denial of service (stack overflow and daemon crash), by sending a specially crafted SUBSCRIBE packet containing a topic with a extremely
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-4570-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    November 17, 2019                     https://www.debian.org/security/faq
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    Package        : mosquitto
    CVE ID         : CVE-2019-11779
    Debian Bug     : 940654
    
    A vulnerability was discovered in mosquitto, a MQTT version 3.1/3.1.1
    compatible message broker, allowing a malicious MQTT client to cause a
    denial of service (stack overflow and daemon crash), by sending a
    specially crafted SUBSCRIBE packet containing a topic with a extremely
    deep hierarchy.
    
    For the stable distribution (buster), this problem has been fixed in
    version 1.5.7-1+deb10u1.
    
    We recommend that you upgrade your mosquitto packages.
    
    For the detailed security status of mosquitto please refer to its
    security tracker page at:
    https://security-tracker.debian.org/tracker/mosquitto
    
    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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