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    CVE-2011-1910

    Off-by-one error in named in ISC BIND 9.x before 9.7.3-P1, 9.8.x before 9.8.0-P2, 9.4-ESV before 9.4-ESV-R4-P1, and 9.6-ESV before 9.6-ESV-R4-P1 allows remote DNS servers to cause a denial of service (assertion failure and daemon exit) via a negative response containing large RRSIG RRsets.

    Published:May 26, 2011
    Last Modified:Apr 11, 2025
    EPS:May 31, 2011
    EPSS Score:0.3401
    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://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061082.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061401.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061405.html
    http://marc.info/?l=bugtraq&m=142180687100892&w=2
    http://osvdb.org/72540
    http://secunia.com/advisories/44677
    http://secunia.com/advisories/44719
    http://secunia.com/advisories/44741
    http://secunia.com/advisories/44744
    http://secunia.com/advisories/44758
    http://secunia.com/advisories/44762
    http://secunia.com/advisories/44783
    http://secunia.com/advisories/44929
    http://security.freebsd.org/advisories/FreeBSD-SA-11:02.bind.asc
    http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.685026
    http://support.apple.com/kb/HT5002
    http://www.debian.org/security/2011/dsa-2244
    http://www.kb.cert.org/vuls/id/795694
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:104
    http://www.redhat.com/support/errata/RHSA-2011-0845.html
    http://www.securityfocus.com/bid/48007
    http://www.securitytracker.com/id?1025572
    https://bugzilla.redhat.com/show_bug.cgi?id=708301
    https://hermes.opensuse.org/messages/8699912
    https://www.isc.org/software/bind/advisories/cve-2011-1910
    http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061082.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061401.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061405.html
    http://marc.info/?l=bugtraq&m=142180687100892&w=2
    http://osvdb.org/72540
    http://secunia.com/advisories/44677
    http://secunia.com/advisories/44719
    http://secunia.com/advisories/44741
    http://secunia.com/advisories/44744
    http://secunia.com/advisories/44758
    http://secunia.com/advisories/44762
    http://secunia.com/advisories/44783
    http://secunia.com/advisories/44929
    http://security.freebsd.org/advisories/FreeBSD-SA-11:02.bind.asc
    http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.685026
    http://support.apple.com/kb/HT5002
    http://www.debian.org/security/2011/dsa-2244
    http://www.kb.cert.org/vuls/id/795694
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:104
    http://www.redhat.com/support/errata/RHSA-2011-0845.html
    http://www.securityfocus.com/bid/48007
    http://www.securitytracker.com/id?1025572
    https://bugzilla.redhat.com/show_bug.cgi?id=708301
    https://hermes.opensuse.org/messages/8699912
    https://www.isc.org/software/bind/advisories/cve-2011-1910

    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