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  • [SECURITY] [DSA 3758-1] bind9 security update

    From Florian Weimer@1:229/2 to All on Wed Jan 11 23:20:01 2017
    From: [email protected]

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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-3758-1 [email protected] https://www.debian.org/security/ Florian Weimer January 11, 2017 https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : bind9
    CVE ID : CVE-2016-9131 CVE-2016-9147 CVE-2016-9444
    Debian Bug : 851062 851063 851065

    Several denial-of-service vulnerabilities (assertion failures) were
    discovered in BIND, a DNS server implementation.

    CVE-2016-9131

    A crafted upstream response to an ANY query could cause an
    assertion failure.

    CVE-2016-9147

    A crafted upstream response with self-contradicting DNSSEC data
    could cause an assertion failure.

    CVE-2016-9444

    Specially-crafted upstream responses with a DS record could cause
    an assertion failure.

    These vulnerabilities predominantly affect DNS servers providing
    recursive service. Client queries to authoritative-only servers
    cannot trigger these assertion failures. These vulnerabilities are
    present whether or not DNSSEC validation is enabled in the server configuration.

    For the stable distribution (jessie), these problems have been fixed in
    version 1:9.9.5.dfsg-9+deb8u9.

    We recommend that you upgrade your bind9 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: [email protected]
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