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  • [SECURITY] [DSA 2287-1] libpng security update

    From Luciano Bello@1:229/2 to All on Thu Jul 28 18:50:01 2011
    From: [email protected]

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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-2287-1 [email protected] http://www.debian.org/security/ Luciano Bello
    July 28, 2011 http://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    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: http://www.debian.org/security/

    Mailing list: [email protected]
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