Debian LTS: DLA-2158-1: ruby2.1 security update

    Date25 Mar 2020
    259
    Posted ByLinuxSecurity Advisories
    An exploitable heap overflow vulnerability exists in the Psych::Emitter startdocument function of Ruby. In Psych::Emitter startdocument function heap buffer "head" allocation is made based on
    
    Package        : ruby2.1
    Version        : 2.1.5-2+deb8u9
    CVE ID         : CVE-2016-2338
    
    
    An exploitable heap overflow vulnerability exists in the
    Psych::Emitter startdocument function of Ruby. In Psych::Emitter
    startdocument function heap buffer "head" allocation is made based on
    tags array length. Specially constructed object passed as element of
    tags array can increase this array size after mentioned allocation and
    cause heap overflow
    
    For Debian 8 "Jessie", this problem has been fixed in version
    2.1.5-2+deb8u9.
    
    We recommend that you upgrade your ruby2.1 packages.
    
    Further information about Debian LTS security advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://wiki.debian.org/LTS
    
    
    

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