• [SECURITY] [DSA 5439-1] bind9 security update

    From Salvatore Bonaccorso@21:1/5 to All on Sun Jun 25 22:20:01 2023
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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-5439-1 security@debian.org https://www.debian.org/security/ Salvatore Bonaccorso
    June 25, 2023 https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : bind9
    CVE ID : CVE-2023-2828 CVE-2023-2911

    Several vulnerabilities were discovered in BIND, a DNS server
    implementation.

    CVE-2023-2828

    Shoham Danino, Anat Bremler-Barr, Yehuda Afek and Yuval Shavitt
    discovered that a flaw in the cache-cleaning algorithm used in named
    can cause that named's configured cache size limit can be
    significantly exceeded, potentially resulting in denial of service.

    CVE-2023-2911

    It was discovered that a flaw in the handling of recursive-clients
    quota may result in denial of service (named daemon crash).

    For the oldstable distribution (bullseye), these problems have been fixed
    in version 1:9.16.42-1~deb11u1.

    For the stable distribution (bookworm), these problems have been fixed in version 1:9.18.16-1~deb12u1.

    We recommend that you upgrade your bind9 packages.

    For the detailed security status of bind9 please refer to its security
    tracker page at:
    https://security-tracker.debian.org/tracker/bind9

    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: debian-security-announce@lists.debian.org
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