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  • [SECURITY] [DSA 2388-1] t1lib security update

    From Yves-Alexis Perez@1:229/2 to All on Sun Jan 15 11:30:02 2012
    From: [email protected]

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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-2388-1 [email protected] http://www.debian.org/security/ Yves-Alexis Perez January 14, 2012 http://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : t1lib
    Vulnerability : several
    Problem type : local
    Debian-specific: no
    CVE ID : CVE-2010-2642 CVE-2011-0433 CVE-2011-0764 CVE-2011-1552
    CVE-2011-1553 CVE-2011-1554
    Debian Bug : 652996

    Several vulnerabilities were discovered in t1lib, a Postscript Type 1
    font rasterizer library, some of which might lead to code execution
    through the opening of files embedding bad fonts.

    CVE-2010-2642
    A heap-based buffer overflow in the AFM font metrics parser
    potentially leads to the execution of arbitrary code.

    CVE-2011-0433
    Another heap-based buffer overflow in the AFM font metrics
    parser potentially leads to the execution of arbitrary code.

    CVE-2011-0764
    An invalid pointer dereference allows execution of arbitrary
    code using crafted Type 1 fonts.

    CVE-2011-1552
    Another invalid pointer dereference results in an application
    crash, triggered by crafted Type 1 fonts.

    CVE-2011-1553
    A use-after-free vulnerability results in an application
    crash, triggered by crafted Type 1 fonts.

    CVE-2011-1554
    An off-by-one error results in an invalid memory read and
    application crash, triggered by crafted Type 1 fonts.

    For the oldstable distribution (lenny), this problem has been fixed in
    version 5.1.2-3+lenny1.

    For the stable distribution (squeeze), this problem has been fixed in
    version 5.1.2-3+squeeze1.

    For the testing distribution (wheezy), this problem has been fixed in
    version 5.1.2-3.3.

    For the unstable distribution (sid), this problem has been fixed in
    version 5.1.2-3.3.

    We recommend that you upgrade your t1lib 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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