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    CVE-2011-4313

    query.c in ISC BIND 9.0.x through 9.6.x, 9.4-ESV through 9.4-ESV-R5, 9.6-ESV through 9.6-ESV-R5, 9.7.0 through 9.7.4, 9.8.0 through 9.8.1, and 9.9.0a1 through 9.9.0b1 allows remote attackers to cause a denial of service (assertion failure and named exit) via unknown vectors related to recursive DNS queries, error logging, and the caching of an invalid record by the resolver.

    Published:Nov 16, 2011
    Last Modified:Apr 11, 2025
    EPS:Nov 29, 2011
    EPSS Score:0.23308
    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://blogs.oracle.com/sunsecurity/entry/cve_2011_4313_denial_of
    http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-November/069463.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-November/069970.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-November/069975.html
    http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00027.html
    http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00028.html
    http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00029.html
    http://marc.info/?l=bugtraq&m=132310123002302&w=2
    http://marc.info/?l=bugtraq&m=133978480208466&w=2
    http://marc.info/?l=bugtraq&m=141879471518471&w=2
    http://osvdb.org/77159
    http://secunia.com/advisories/46536
    http://secunia.com/advisories/46829
    http://secunia.com/advisories/46887
    http://secunia.com/advisories/46890
    http://secunia.com/advisories/46905
    http://secunia.com/advisories/46906
    http://secunia.com/advisories/46943
    http://secunia.com/advisories/46984
    http://secunia.com/advisories/47043
    http://secunia.com/advisories/47075
    http://secunia.com/advisories/48308
    http://security.freebsd.org/advisories/FreeBSD-SA-11:06.bind.asc
    http://support.apple.com/kb/HT5501
    http://www-01.ibm.com/support/docview.wss?uid=isg1IV11106
    http://www.debian.org/security/2011/dsa-2347
    http://www.ibm.com/support/docview.wss?uid=isg1IV11248
    http://www.isc.org/software/bind/advisories/cve-2011-4313
    http://www.kb.cert.org/vuls/id/606539
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:176
    http://www.redhat.com/support/errata/RHSA-2011-1458.html
    http://www.redhat.com/support/errata/RHSA-2011-1459.html
    http://www.redhat.com/support/errata/RHSA-2011-1496.html
    http://www.securityfocus.com/bid/50690
    http://www.securitytracker.com/id?1026335
    http://www.ubuntu.com/usn/USN-1264-1
    https://exchange.xforce.ibmcloud.com/vulnerabilities/71332
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14343
    http://blogs.oracle.com/sunsecurity/entry/cve_2011_4313_denial_of
    http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-November/069463.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-November/069970.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-November/069975.html
    http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00027.html
    http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00028.html
    http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00029.html
    http://marc.info/?l=bugtraq&m=132310123002302&w=2
    http://marc.info/?l=bugtraq&m=133978480208466&w=2
    http://marc.info/?l=bugtraq&m=141879471518471&w=2
    http://osvdb.org/77159
    http://secunia.com/advisories/46536
    http://secunia.com/advisories/46829
    http://secunia.com/advisories/46887
    http://secunia.com/advisories/46890
    http://secunia.com/advisories/46905
    http://secunia.com/advisories/46906
    http://secunia.com/advisories/46943
    http://secunia.com/advisories/46984
    http://secunia.com/advisories/47043
    http://secunia.com/advisories/47075
    http://secunia.com/advisories/48308
    http://security.freebsd.org/advisories/FreeBSD-SA-11:06.bind.asc
    http://support.apple.com/kb/HT5501
    http://www-01.ibm.com/support/docview.wss?uid=isg1IV11106
    http://www.debian.org/security/2011/dsa-2347
    http://www.ibm.com/support/docview.wss?uid=isg1IV11248
    http://www.isc.org/software/bind/advisories/cve-2011-4313
    http://www.kb.cert.org/vuls/id/606539
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:176
    http://www.redhat.com/support/errata/RHSA-2011-1458.html
    http://www.redhat.com/support/errata/RHSA-2011-1459.html
    http://www.redhat.com/support/errata/RHSA-2011-1496.html
    http://www.securityfocus.com/bid/50690
    http://www.securitytracker.com/id?1026335
    http://www.ubuntu.com/usn/USN-1264-1
    https://exchange.xforce.ibmcloud.com/vulnerabilities/71332
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14343

    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