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    Debian: DSA-3443-1: libpng security update

    Date 13 Jan 2016
    193
    Posted By LinuxSecurity Advisories
    Several vulnerabilities have been discovered in the libpng PNG library. The Common Vulnerabilities and Exposures project identifies the following problems:
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-3443-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    January 13, 2016                      https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : libpng
    CVE ID         : CVE-2015-8472 CVE-2015-8540
    Debian Bug     : 807112 807694
    
    Several vulnerabilities have been discovered in the libpng PNG library.
    The Common Vulnerabilities and Exposures project identifies the
    following problems:
    
    CVE-2015-8472
    
        It was discovered that the original fix for CVE-2015-8126 was
        incomplete and did not detect a potential overrun by applications
        using png_set_PLTE directly. A remote attacker can take advantage of
        this flaw to cause a denial of service (application crash).
    
    CVE-2015-8540
    
        Xiao Qixue and Chen Yu discovered a flaw in the png_check_keyword
        function. A remote attacker can potentially take advantage of this
        flaw to cause a denial of service (application crash).
    
    For the oldstable distribution (wheezy), these problems have been fixed
    in version 1.2.49-1+deb7u2.
    
    For the stable distribution (jessie), these problems have been fixed in
    version 1.2.50-2+deb8u2.
    
    We recommend that you upgrade your libpng packages.
    
    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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