Debian: DSA-3644-1: fontconfig security update

    Date08 Aug 2016
    CategoryDebian
    117
    Posted ByLinuxSecurity Advisories
    Tobias Stoeckmann discovered that cache files are insufficiently validated in fontconfig, a generic font configuration library. An attacker can trigger arbitrary free() calls, which in turn allows double free attacks and therefore arbitrary code execution. In combination with
    
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    Debian Security Advisory DSA-3644-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    August 08, 2016                       https://www.debian.org/security/faq
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    Package        : fontconfig
    CVE ID         : CVE-2016-5384
    Debian Bug     : 833570
    
    Tobias Stoeckmann discovered that cache files are insufficiently
    validated in fontconfig, a generic font configuration library. An
    attacker can trigger arbitrary free() calls, which in turn allows double
    free attacks and therefore arbitrary code execution. In combination with
    setuid binaries using crafted cache files, this could allow privilege
    escalation.
    
    For the stable distribution (jessie), this problem has been fixed in
    version 2.11.0-6.3+deb8u1.
    
    For the unstable distribution (sid), this problem has been fixed in
    version 2.11.0-6.5.
    
    We recommend that you upgrade your fontconfig 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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