CVE-2017-3136

CVE-2017-3136 is an assertion-failure denial of service in ISC BIND when handling DNS64 queries with break-dnssec yes. Affected versions span 9.8.0–9.11.1rc1 (exactly as listed: 9.8.0–9.8.8-P1; 9.9.0–9.9.9-P6; 9.9.10b1–9.9.10rc1; 9.10.0–9.10.4-P6; 9.10.5b1–9.10.5rc1; 9.11.0–9.11.0-P3; 9.11.1b1–9....

CVE-2013-4854

The RFC 5011 implementation in rdata.c in ISC BIND 9.7.x and 9.8.x before 9.8.5-P2, 9.8.6b1, 9.9.x before 9.9.3-P2, and 9.9.4b1, and DNSco BIND 9.9.3-S1 before 9.9.3-S1-P1 and 9.9.4-S1b1, allows remote attackers to cause a denial of service (assertion failure and named daemon exit) via a query wi...

CVE-2012-5166

Summary (CVE-2012-5166) The BIND DNS server (named) is vulnerable to a remote DoS when specific combinations of RDATA are loaded in a query target, causing the server to lock up or crash. In affected environments using BIG-IP/F5 implementations, multiple product lines list vulnerable BIND compone...

CVE-2023-5517

CVE-2023-5517 is a BIND vulnerability where a flaw in query-handling can cause named to exit with an assertion failure when nxdomain-redirect is configured and a PTR query for an RFC 1918 address would yield NXDOMAIN. Affected: BIND 9.x (various 9.12.0–9.19.19 and related 9.16/9.18 ranges; versio...

CVE-2016-1285

CVE-2016-1285 affects ISC BIND 9.x (before 9.9.8-P4 and 9.10.x before 9.10.3-P4). The issue arises from improper handling of control-channel input to rndc, causing assertion failure and named daemon exit via a malformed packet. Connected advisories describe related impact for DNAME records (CVE-2...

CVE-2010-3615

The CVE-2010-3615 vulnerability affects ISC BIND (DNS server) in the 9.7.2-P2 release where not all intended locations for allow-query ACLs are checked, enabling remote attackers to query private DNS records via standard DNS queries. Public advisories document this issue and reference fixes in ne...

CVE-2016-6170

CVE-2016-6170 affects ISC BIND up to 9.11.0b1 (and related 9.9.9-P1, 9.10.x, etc.). The provided records describe a denial-of-service risk: a primary DNS server can crash a secondary server via a large AXFR, IXFR responses, and an authenticated UPDATE could crash the primary. Documented affected ...

CVE-2019-6477

CVE-2019-6477 affects BIND (DNS server). It allows TCP-pipelined queries to bypass per-connection tcp-client limits, potentially causing denial of service by exhausting server resources and making the service unresponsive. Affected distributions reference patched releases: Debian DSA-4689-1 notes...

CVE-2012-4244

CVE-2012-4244 affects BIND 9.x with RDATA values exceeding 65535 bytes, enabling remote DoS via assertion failure in the named daemon. Connected advisories confirm a broad impact across multiple distributions and products (FreeBSD SA-12:06.bind; CentOS/RHEL updates; Fedora package updates; F5 adv...

CVE-2020-8624

CVE-2020-8624 affects BIND's update-policy rules of type "subdomain". The flaw allows an attacker with limited zone-content privileges to modify other zone contents. Reports across distros indicate the vulnerability impacts various BIND 9.x releases; confirmed fixes include patched BIND versions ...

CVE-2012-3817

CVE-2012-3817 affects BIND when DNSSEC validation is enabled. Under high query load, BIND could use data from the failing-query cache before it is fully initialized, causing an assertion failure and resulting in a denial of service (remote crash of named). Affected ranges include various 9.4.x–9....

CVE-2008-1447

CVE-2008-1447 describes a DNS cache poisoning vulnerability known as the Kaminsky bug, arising from weak randomness in DNS transaction IDs and source ports. It affected BIND 8/9 (many versions) and Microsoft DNS on Windows platforms, enabling remote attackers to spoof DNS responses to recursive r...

CVE-2019-6471

CVE-2019-6471 is a race-condition vulnerability in ISC BIND where discarding malformed packets can trigger a REQUIRE assertion failure in dispatch.c, causing named to exit and produce a DoS. Affected versions include BIND 9.11.0–9.11.7, 9.12.0–9.12.4-P1, 9.14.0–9.14.2, all 9.13 development releas...

CVE-2015-1349

CVE-2015-1349 affects ISC BIND 9.7.0–9.9.6 before 9.9.6-P2 and 9.10.x before 9.10.1-P2 when DNSSEC validation and managed-keys are enabled. A remote attacker can cause named to crash via an incorrect trust-anchor management scenario with no key ready for use, resulting in DoS. Public disclosures ...

CVE-2014-0591

CVE-2014-0591 affects ISC BIND 9.6, 9.7, 9.8 before 9.8.6-P2 and 9.9 before 9.9.4-P2 (and 9.6-ESV before 9.6-ESV-R10-P2) where the query_findclosestnsec3 function in query.c can be triggered by crafted DNS queries to an authoritative server using NSEC3 signing. The result is a denial of service m...

CVE-2020-8620

CVE-2020-8620 affects BIND 9.15.6–9.16.5 and 9.17.0–9.17.3, where libuv-based TCP handling allows an attacker to send data to trigger an assertion failure and crash the server. The vulnerability stems from an incorrectly specified maximum buffer size that can be exploited by a specially crafted l...

CVE-2022-0396

CVE-2022-0396 affects BIND’s TCP stream handling in 9.16.11–9.16.26 (and 9.17.0–9.18.0 for DP/G‑ed editions). The flaw allows specially crafted TCP streams to keep connections in CLOSE_WAIT indefinitely, enabling denial of service on affected servers. Connected advisories indicate fixes in newer ...

CVE-2023-5680

CVE-2023-5680 concerns ISC BIND 9 where, when a resolver cache stores a very large number of ECS records for the same name, cleaning the cache database node for that name can cause the query path to suffer significantly in performance. Affected versions include 9.11.3-S1 through 9.11.37-S1, 9.16....

CVE-2015-8704

CVE-2015-8704 affects ISC BIND 9.x; the vulnerability is in apl_42.c where malformed Address Prefix List (APL) data can trigger an INSIST assertion failure, causing the named process to terminate and a potential DoS. Affected: BIND 9.x before 9.9.8-P3, 9.9.x, and 9.10.x before 9.10.3-P3. Exploita...

CVE-2015-5722

CVE-2015-5722 affects ISC BIND: a DoS via parsing a malformed DNSSEC key triggers an assertion failure in buffer.c, causing the validating resolver to exit. A remote attacker can exploit this with a crafted DNS query for a zone containing a malformed key. The vulnerability exists in BIND 9.x befo...

CVE-2016-2848

ISC BIND vulnerability CVE-2016-2848 affects BIND 9.1.0–9.8.4-P2 and 9.9.0–9.9.2-P2, allowing remote attackers to cause a denial of service (assertion failure and daemon exit) by sending malformed options data in an OPT resource record. Exploitation is via specially crafted DNS packets; impact is...

CVE-2015-5477

ISC BIND DNS servers (versions 9.x before 9.9.7-P2 and 9.10.x before 9.10.2-P3) are vulnerable to a denial of service (DoS) attack. The root cause is the improper handling of invalid TKEY resource records , where a specially crafted DNS query can trigger a REQUIRE assertion failure and cause the ...

CVE-2013-2266

CVE-2013-2266 affects ISC BIND’s libdns, allowing remote attackers to trigger a denial of service by sending a crafted regular expression that drives memory usage. Affected are BIND 9.7.x and 9.8.x before 9.8.4-P2, 9.8.5 before 9.8.5b2, 9.9.x before 9.9.2-P2, and 9.9.3 before 9.9.3b2. Several ven...

CVE-2009-0696

The ISC BIND 9 DNS software (versions 9.4 before 9.4.3-P3, 9.5 before 9.5.1-P3, and 9.6 before 9.6.1-P1) contains a vulnerability in the dns_db_findrdataset function. A remote, unauthenticated attacker can cause a denial of service by sending a specially-crafted dynamic update packet containing a...

CVE-2009-4022

CVE-2009-4022 affects ISC BIND 9.0.x–9.3.x, and 9.4.x prior to 9.4.3-P4, 9.5 prior to 9.5.2-P1, 9.6 prior to 9.6.1-P2, and 9.7 beta prior to 9.7.0b3, when DNSSEC validation is enabled and DO checks are used, allowing remote cache-poisoning via crafted Additional sections in responses to recursive...

CVE-2010-0382

CVE-2010-0382 affects ISC BIND 9.0.x–9.3.x and several newer 9.4/9.5/9.6/9.7 builds with DNSSEC validation enabled. The issue arises from a regression during the fix for CVE-2009-4022 and allows a remote attacker to influence a response via out-of-bailiwick data without re-fetching from the origi...

CVE-2013-6230

CVE-2013-6230 concerns ISC BIND and Windows Winsock: the WSAIoctl SIO_GET_INTERFACE_LIST path misinterprets the netmask 255.255.255.255, allowing remote bypass of IP address restrictions. Public details show affected BIND lines include 9.6-ESV to 9.9.x series; Windows Server 2008 usage is cited. ...

CVE-2020-8618

CVE-2020-8618 affects BIND. An assertion in rdataset.c can be incorrectly triggered by large zone transfers, allowing a remote attacker to deny service to clients. Public advisories confirm mitigation via upgrading to BIND 9.16.4+ (e.g., Arch Linux ASA-202006-13 lists 9.16.4-1 as the fix; upstrea...

CVE-2009-0025

CVE-2009-0025 describes a flaw in BIND 9.6.0 and earlier where the OpenSSL DSA_verify return value is not properly checked, enabling remote attackers to bypass certificate-chain validation via a malformed SSL/TLS signature. F5 advisories reference this as a related vulnerability to CVE-2008-5077 ...

CVE-2018-5744

CVE-2018-5744 is a memory freeze/DoS in BIND caused by a failure to free memory when processing EDNS option combinations. Affected are BIND 9.10.7–9.10.8-P1, 9.11.3–9.11.5-P1, 9.12.0–9.12.3-P1, 9.10.7-S1–9.11.5-S3 (SPE), and 9.13.0–9.13.6 in the development line. Public advisories (e.g., Arch Lin...

CVE-2016-9444

CVE-2016-9444 affects ISC BIND 9.x; a crafted DS resource record in an answer can cause the named DNS server to crash via an assertion failure, if the BIND recursion option is enabled. The vulnerability is exploited remotely by an unauthenticated attacker and may cause the named process to exit (...

CVE-2018-5742

CVE-2018-5742 describes an assertion failure in BIND9 caused by a backport-related path in buffer.c:420, leading to a crash (denial of service). Affected are Red Hat family packages: bind-9.9.4-65.el7 through 9.9.4-72.el7, with no ISC releases affected; other distributions that replicated the err...

CVE-2010-3614

The CVE-2010-3614 issue affects ISC BIND 9.x where DNSKEY algorithm rollover can cause the server to misdetermine the NS RRset security status, potentially triggering DNSSEC validation errors and a denial of service. Public advisories and vendor notes (e.g., Debian DSA-2130-1, CentOS/RH advisorie...

CVE-2008-4163

CVE-2008-4163 affects ISC BIND 9 for Windows: 9.3.5-P2-W1, 9.4.2-P2-W1, and 9.5.0-P2-W1. Described as an unspecified vulnerability that allows remote attackers to cause a denial of service by terminating the UDP client handler, via unknown vectors. Multiple connected sources (Red Hat, Ubuntu, Deb...

CVE-2020-8621

CVE-2020-8621 affects BIND when QNAME minimization is enabled together with forward-first forwarding, potentially causing the server to crash. The vulnerable ranges are BIND 9.14.0–9.16.5 and 9.17.0–9.17.3; forward-only configurations are not affected. The issue is due to an assertion failure in ...

CVE-2012-1033

The CVE-2012-1033 issue affects ISC BIND 9 up to 9.8.1-P1, where the resolver overwrites cached NS records and TTLs during handling of an A query response. This can allow remote attackers to trigger continued resolvability of revoked domain names via a ghost domain names attack. Public Nessus/IDS...

CVE-2022-3080

CVE-2022-3080 affects ISC BIND: a DoS in named where a resolver can crash after receiving specially crafted queries when stale-cache/stale-answers options are used (zero stale-answer-timeout with a stale CNAME). Public advisories (IBM AIX, ALMAS/AlmaLinux, Cloud Foundry, Debian/Ubuntu notes) desc...

CVE-2011-1910

The CVE-2011-1910 issue is an off-by-one vulnerability in ISC BIND named (affecting 9.x up to 9.7.3-P1, 9.8.x up to 9.8.0-P2, 9.4-ESV up to 9.4-ESV-R4-P1, and 9.6-ESV up to 9.6-ESV-R4-P1). A remote DNS server can cause a denial of service (assertion failure and daemon exit) by sending a negative ...

CVE-2026-5946

Summary of CVE-2026-5946 (CVE entry for named in BIND) : The issue involves the DNS message handling in the BIND 9 recursive resolver (named) when processing DNS classes other than IN (e.g., CHAOS/HESIOD) or non-IN data in questions. According to the sources, specially crafted requests reaching c...

CVE-2011-4313

Description summary: CVE-2011-4313 affects ISC BIND 9.0.x–9.9.0b1 and can cause a remote denial of service (assertion failure and named exit) triggered by certain recursive DNS query handling and the caching of an invalid record. Root cause / impact: the issue is tied to the resolver’s processing...

CVE-2010-0097

CVE-2010-0097 affects ISC BIND 9.x where DNSSEC validation of NSEC/NSEC3 records is flawed, enabling remote attackers to add the AD flag to forged NXDOMAIN responses for an existing domain. Public advisories confirm fixes in later BIND releases (upstream: 9.6-ESV-R1 and 9.7.0.dfsg) and point to u...

CVE-2026-3039

CVE-2026-3039 affects BIND 9.x when TKEY-based authentication via GSS-API tokens is used; the issue is a memory-exhaustion vulnerability triggered by malicious packets in Active Directory/Kerberos DNS setups. Affected versions span 9.0.0–9.16.50, 9.18.0–9.18.48, 9.20.0–9.20.22, 9.21.0–9.21.21, pl...

CVE-2010-0290

CVE-2010-0290 is described in connected F5 advisories as an ISC BIND cache-poisoning vulnerability affecting BIND 9.0.x–9.3.x, 9.4 up to 9.4.3-P5, 9.5 up to 9.5.2-P2, 9.6 up to 9.6.1-P3, and 9.7.0 beta, when DNSSEC validation is enabled and CD checking is disabled. The attack involves receiving a...

CVE-2023-2829

CVE-2023-2829 affects BIND 9: named may terminate when synth-from-dnssec is enabled and a zone contains a malformed NSEC record. Affected versions are BIND 9.16.8-S1–9.16.41-S1 and 9.18.11-S1–9.18.15-S1. The issue is caused by parsing/processing of DNSSEC-cache data (NSEC) and can be triggered re...

CVE-2026-5950

The CVE-2026-5950 issue affects BIND 9 resolver logic, with an unbounded resend loop in the bad-server handling path of the state machine. This leads to remote, unauthenticated attackers exhausting resources by issuing queries that trigger specific retry conditions. Affected series include BIND 9...

CVE-2017-3135

ISC BIND 9 DNS64 and RPZ combined can crash the server. CVE-2017-3135 causes an assertion failure or NULL pointer dereference when query responses are rewritten with both DNS64 and RPZ enabled, leading to a denial of service. Affected versions include BIND 9.8.8 and 9.9.3–9.9.9 (S1–S7/P5), 9.9.10...

CVE-2023-4236

CVE-2023-4236 affects BIND 9 to include versions 9.18.0–9.18.18 and 9.18.11-S1–9.18.18-S1. The issue is a flaw in the DNS-over-TLS networking code that can cause an assertion failure, leading to an unexpected termination of named under heavy DNS-over-TLS query load. The practical consequence is a...

CVE-2015-8705

ISC BIND 9.10.x is vulnerable to CVE-2015-8705 due to a bug in buffer.c (named) when debug logging is enabled. The issue allows remote attackers to trigger a denial of service by exploiting how OPT data or ECS options are formatted to text, potentially causing a REQUIRE assertion failure and daem...

CVE-2023-2911

CVE-2023-2911 affects BIND 9 up to fixed versions in various distros. The issue occurs when the recursive-clients quota is reached with stale-answer-client-timeout 0, potentially causing named to loop and terminate due to a stack overflow. Public details list affected ranges (9.16.33–9.16.41, 9.1...

CVE-2022-1183

CVE-2022-1183 describes an assertion-failure termination in the named daemon on vulnerable BIND configurations that reference http in listen-on statements. Affected are BIND 9.18.0–9.18.2 and BIND 9.19.0 (development branch); configurations using DoT are unaffected, while DoT/DoH deployments may ...