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    CVE-2006-4096

    BIND before 9.2.6-P1 and 9.3.x before 9.3.2-P1 allows remote attackers to cause a denial of service (crash) via a flood of recursive queries, which cause an INSIST failure when the response is received after the recursion queue is empty.

    Published:Sep 5, 2006
    Last Modified:Apr 16, 2026
    EPS:Sep 6, 2006
    EPSS Score:0.19584
    CVSS Score:5

    Affected Products

    Vendor
    Isc
    Product
    Bind
    Vendor
    Redhat
    Product
    Enterprise Linux

    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://docs.info.apple.com/article.html?artnum=305530
    http://lists.apple.com/archives/security-announce/2007/May/msg00004.html
    http://marc.info/?l=bugtraq&m=141879471518471&w=2
    http://secunia.com/advisories/21752
    http://secunia.com/advisories/21786
    http://secunia.com/advisories/21790
    http://secunia.com/advisories/21816
    http://secunia.com/advisories/21818
    http://secunia.com/advisories/21828
    http://secunia.com/advisories/21835
    http://secunia.com/advisories/21838
    http://secunia.com/advisories/21912
    http://secunia.com/advisories/21926
    http://secunia.com/advisories/22298
    http://secunia.com/advisories/24950
    http://secunia.com/advisories/25402
    http://security.freebsd.org/advisories/FreeBSD-SA-06:20.bind.asc
    http://security.gentoo.org/glsa/glsa-200609-11.xml
    http://securitytracker.com/id?1016794
    http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.481241
    http://www-1.ibm.com/support/docview.wss?uid=isg1IY89169
    http://www-1.ibm.com/support/docview.wss?uid=isg1IY89178
    http://www.kb.cert.org/vuls/id/697164
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:163
    http://www.niscc.gov.uk/niscc/docs/re-20060905-00590.pdf?lang=en
    http://www.novell.com/linux/security/advisories/2006_23_sr.html
    http://www.novell.com/linux/security/advisories/2006_24_sr.html
    http://www.openbsd.org/errata.html
    http://www.openpkg.com/security/advisories/OpenPKG-SA-2006.019.html
    http://www.securityfocus.com/archive/1/445600/100/0/threaded
    http://www.securityfocus.com/bid/19859
    http://www.ubuntu.com/usn/usn-343-1
    http://www.us.debian.org/security/2006/dsa-1172
    http://www.vupen.com/english/advisories/2006/3473
    http://www.vupen.com/english/advisories/2006/3511
    http://www.vupen.com/english/advisories/2007/1401
    http://www.vupen.com/english/advisories/2007/1939
    https://exchange.xforce.ibmcloud.com/vulnerabilities/28744
    https://issues.rpath.com/browse/RPL-626
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9623
    https://www2.itrc.hp.com/service/cki/docDisplay.do?docId=c00967144
    http://docs.info.apple.com/article.html?artnum=305530
    http://lists.apple.com/archives/security-announce/2007/May/msg00004.html
    http://marc.info/?l=bugtraq&m=141879471518471&w=2
    http://secunia.com/advisories/21752
    http://secunia.com/advisories/21786
    http://secunia.com/advisories/21790
    http://secunia.com/advisories/21816
    http://secunia.com/advisories/21818
    http://secunia.com/advisories/21828
    http://secunia.com/advisories/21835
    http://secunia.com/advisories/21838
    http://secunia.com/advisories/21912
    http://secunia.com/advisories/21926
    http://secunia.com/advisories/22298
    http://secunia.com/advisories/24950
    http://secunia.com/advisories/25402
    http://security.freebsd.org/advisories/FreeBSD-SA-06:20.bind.asc
    http://security.gentoo.org/glsa/glsa-200609-11.xml
    http://securitytracker.com/id?1016794
    http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.481241
    http://www-1.ibm.com/support/docview.wss?uid=isg1IY89169
    http://www-1.ibm.com/support/docview.wss?uid=isg1IY89178
    http://www.kb.cert.org/vuls/id/697164
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:163
    http://www.niscc.gov.uk/niscc/docs/re-20060905-00590.pdf?lang=en
    http://www.novell.com/linux/security/advisories/2006_23_sr.html
    http://www.novell.com/linux/security/advisories/2006_24_sr.html
    http://www.openbsd.org/errata.html
    http://www.openpkg.com/security/advisories/OpenPKG-SA-2006.019.html
    http://www.securityfocus.com/archive/1/445600/100/0/threaded
    http://www.securityfocus.com/bid/19859
    http://www.ubuntu.com/usn/usn-343-1
    http://www.us.debian.org/security/2006/dsa-1172
    http://www.vupen.com/english/advisories/2006/3473
    http://www.vupen.com/english/advisories/2006/3511
    http://www.vupen.com/english/advisories/2007/1401
    http://www.vupen.com/english/advisories/2007/1939
    https://exchange.xforce.ibmcloud.com/vulnerabilities/28744
    https://issues.rpath.com/browse/RPL-626
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9623
    https://www2.itrc.hp.com/service/cki/docDisplay.do?docId=c00967144

    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