Linux Security
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    Debian: DSA-2577-1: libssh security update

    Date 01 Dec 2012
    120
    Posted By LinuxSecurity Advisories
    Multiple vulnerabilities were discovered in libssh by Florian Weimer and Xi Wang: CVE-2012-4559: multiple double free() flaws
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-2577-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                         Yves-Alexis Perez
    December 01, 2012                      https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : libssh
    Vulnerability  : several
    Problem type   : remote
    Debian-specific: no
    CVE ID         : CVE-2012-4559 CVE-2012-4561 CVE-2012-4562
    Debian Bug      
    
    Multiple vulnerabilities were discovered in libssh by Florian Weimer and Xi
    Wang:
    
    CVE-2012-4559: multiple double free() flaws
    CVE-2012-4561: multiple invalid free() flaws
    CVE-2012-4562: multiple improper overflow checks
    
    Those could lead to a denial of service by making an ssh client linked to
    libssh crash, and maybe even arbitrary code execution.
    
    For the stable distribution (squeeze), these problems have been fixed in
    version 0.4.5-3+squeeze1.
    
    For the testing distribution (wheezy), these problems have been fixed in
    version 0.5.3-1.
    
    For the unstable distribution (sid), these problems have been fixed in
    version 0.5.3-1.
    
    We recommend that you upgrade your libssh 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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