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    Debian LTS: DLA-2573-1: libzstd security update

    Date 20 Feb 2021
    272
    Posted By LinuxSecurity Advisories
    It was discovered that zstd, a compression utility, was vulnerable to a race condition: it temporarily exposed, during a very short timeframe, a world-readable version of its input even if the original file had restrictive permissions.
    
    - -----------------------------------------------------------------------
    Debian LTS Advisory DLA-2573-1              This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/lts/security/                      Utkarsh Gupta
    February 20, 2021                           https://wiki.debian.org/LTS
    - -----------------------------------------------------------------------
    
    Package        : libzstd
    Version        : 1.1.2-1+deb9u1
    Debian Bug     : 981404 982519
    
    It was discovered that zstd, a compression utility, was vulnerable
    to a race condition: it temporarily exposed, during a very short
    timeframe, a world-readable version of its input even if the
    original file had restrictive permissions.
    
    For Debian 9 stretch, this problem has been fixed in version
    1.1.2-1+deb9u1.
    
    We recommend that you upgrade your libzstd packages.
    
    For the detailed security status of libzstd please refer to
    its security tracker page at:
    https://security-tracker.debian.org/tracker/libzstd
    
    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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