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    CVE-2005-0034

    An "incorrect assumption" in the authvalidated validator function in BIND 9.3.0, when DNSSEC is enabled, allows remote attackers to cause a denial of service (named server exit) via crafted DNS packets that cause an internal consistency test (self-check) to fail.

    Published:Jan 29, 2005
    Last Modified:Apr 16, 2026
    EPS:Jan 29, 2005
    EPSS Score:0.06639
    CVSS Score:4.3

    Affected Products

    Vendor
    Isc
    Product
    Bind

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-12617 (CVSS 7.5) — The issue is unexpected program termination based on ordering and/or specific content in responses to queries …
    CVE-2026-11605 (CVSS 7.5) — The issue is a resource exhaustion vulnerability associated with DNSSEC validation. BIND always validates all …
    CVE-2026-10723 (CVSS 6.8) — BIND may accept incorrect child-zone NSEC3 records as valid, which could allow an attacker to forge authentica…
    CVE-2026-10822 (CVSS 6.5) — If BIND encounters a particular invalid data structure in a DNS record, it will accept the invalid data, and m…
    CVE-2026-13204 (CVSS 7.5) — If a provably insecure domain is covered by both an NSEC and NSEC3 record at the parent, and there exist an RR…
    CVE-2026-11331 (CVSS 7.5) — An attacker who knows (or guesses) that a resolver uses RPZ with wildcard CNAME policies can craft query names…
    CVE-2026-11622 (CVSS 7.5) — A DNSSEC validating resolver that is under a random subdomain attack against a DNSSEC-signed zone can suffer f…
    CVE-2026-11721 (CVSS 7.5) — It is possible for an attacker's zone to respond to a query with an RRSIG that has a smaller number of labels …
    CVE-2026-13321 (CVSS 8.6) — The BIND resolver accepts validly-signed NSEC records where the "Next Domain Name" field points outside the si…
    CVE-2026-5950 (CVSS 5.3) — An unbounded resend loop vulnerability exists in the BIND 9 resolver state machine during bad-server handling,…

    References

    http://secunia.com/advisories/14008
    http://securitytracker.com/id?1012995
    http://www.isc.org/index.pl?/sw/bind/bind-security.php
    http://www.isc.org/index.pl?/sw/bind/bind9.php
    http://www.kb.cert.org/vuls/id/938617
    http://www.securityfocus.com/bid/12365
    http://www.trustix.org/errata/2005/0003/
    http://www.uniras.gov.uk/niscc/docs/al-20050125-00060.html
    https://exchange.xforce.ibmcloud.com/vulnerabilities/19062
    http://secunia.com/advisories/14008
    http://securitytracker.com/id?1012995
    http://www.isc.org/index.pl?/sw/bind/bind-security.php
    http://www.isc.org/index.pl?/sw/bind/bind9.php
    http://www.kb.cert.org/vuls/id/938617
    http://www.securityfocus.com/bid/12365
    http://www.trustix.org/errata/2005/0003/
    http://www.uniras.gov.uk/niscc/docs/al-20050125-00060.html
    https://exchange.xforce.ibmcloud.com/vulnerabilities/19062

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High