Debian: DSA-2287-1: libpng security update

    Date28 Jul 2011
    69
    Posted ByLinuxSecurity Advisories
    The PNG library libpng has been affected by several vulnerabilities. The most critical one is the identified as CVE-2011-2690. Using this vulnerability, an attacker is able to overwrite memory with an arbitrary amount of data controlled by her via a crafted PNG image.
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    Debian Security Advisory DSA-2287-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                             Luciano Bello
    July 28, 2011                          https://www.debian.org/security/faq
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    Package        : libpng
    Vulnerability  : several
    Problem type   : remote
    Debian-specific: no
    CVE ID         : CVE-2011-2501 CVE-2011-2690 CVE-2011-2691 CVE-2011-2692 
    Debian Bug     : #632786 #633871
    
    The PNG library libpng has been affected by several vulnerabilities. The
    most critical one is the identified as CVE-2011-2690. Using this 
    vulnerability, an  attacker is able to overwrite memory with an
    arbitrary amount of data controlled by her via a crafted PNG image.
    
    The other vulnerabilities are less critical and allow an attacker to 
    cause a  crash in the program (denial of service) via a crafted PNG 
    image.
    
    For the oldstable distribution (lenny), this problem has been fixed in
    version 1.2.27-2+lenny5. Due to a technical limitation in the Debian
    archive processing scripts, the updated packages cannot be released
    in paralell with the packages for Squeeze. They will appear shortly.
    
    For the stable distribution (squeeze), this problem has been fixed in
    version 1.2.44-1+squeeze1.
    
    For the unstable distribution (sid), this problem has been fixed in
    version 1.2.46-1.
    
    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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