Filtered by vendor Powerdns
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Total
68 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
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| CVE-2025-59029 | 1 Powerdns | 1 Recursor | 2026-02-19 | N/A | 5.3 MEDIUM |
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An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a query with qtype set to ANY.
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| CVE-2025-59030 | 1 Powerdns | 1 Recursor | 2026-02-19 | N/A | 7.5 HIGH |
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An attacker can trigger the removal of cached records by sending a NOTIFY query over TCP.
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| CVE-2023-50868 | 6 Debian, Fedoraproject, Isc and 3 more | 14 Debian Linux, Fedora, Bind and 11 more | 2025-12-23 | N/A | 7.5 HIGH |
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The Closest Encloser Proof aspect of the DNS protocol (in RFC 5155 when RFC 9276 guidance is skipped) allows remote attackers to cause a denial of service (CPU consumption for SHA-1 computations) via DNSSEC responses in a random subdomain attack, aka the "NSEC3" issue. The RFC 5155 specification implies that an algorithm must perform thousands of iterations of a hash function in certain situations.
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| CVE-2023-50387 | 8 Fedoraproject, Isc, Microsoft and 5 more | 13 Fedora, Bind, Windows Server 2008 and 10 more | 2025-11-04 | N/A | 7.5 HIGH |
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Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the "KeyTrap" issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG records.
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| CVE-2017-7557 | 1 Powerdns | 1 Dnsdist | 2025-04-20 | 6.8 MEDIUM | 8.8 HIGH |
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dnsdist version 1.1.0 is vulnerable to a flaw in authentication mechanism for REST API potentially allowing CSRF attack.
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| CVE-2014-8601 | 2 Debian, Powerdns | 2 Debian Linux, Recursor | 2025-04-12 | 5.0 MEDIUM | N/A |
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PowerDNS Recursor before 3.6.2 does not limit delegation chaining, which allows remote attackers to cause a denial of service ("performance degradations") via a large or infinite number of referrals, as demonstrated by resolving domains hosted by ezdns.it.
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| CVE-2015-1868 | 2 Fedoraproject, Powerdns | 3 Fedora, Authoritative, Recursor | 2025-04-12 | 7.8 HIGH | N/A |
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The label decompression functionality in PowerDNS Recursor 3.5.x, 3.6.x before 3.6.3, and 3.7.x before 3.7.2 and Authoritative (Auth) Server 3.2.x, 3.3.x before 3.3.2, and 3.4.x before 3.4.4 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a name that refers to itself.
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| CVE-2016-5427 | 1 Powerdns | 1 Authoritative | 2025-04-12 | 5.0 MEDIUM | 7.5 HIGH |
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PowerDNS (aka pdns) Authoritative Server before 3.4.10 does not properly handle a . (dot) inside labels, which allows remote attackers to cause a denial of service (backend CPU consumption) via a crafted DNS query.
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| CVE-2016-5426 | 1 Powerdns | 1 Authoritative | 2025-04-12 | 5.0 MEDIUM | 7.5 HIGH |
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PowerDNS (aka pdns) Authoritative Server before 3.4.10 allows remote attackers to cause a denial of service (backend CPU consumption) via a long qname.
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| CVE-2014-3614 | 1 Powerdns | 1 Powerdns Recursor | 2025-04-12 | 5.0 MEDIUM | N/A |
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Unspecified vulnerability in PowerDNS Recursor (aka pdns_recursor) 3.6.x before 3.6.1 allows remote attackers to cause a denial of service (crash) via an unknown sequence of malformed packets.
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| CVE-2016-6172 | 2 Opensuse, Powerdns | 3 Leap, Opensuse, Authoritative Server | 2025-04-12 | 7.1 HIGH | 6.8 MEDIUM |
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PowerDNS (aka pdns) Authoritative Server before 4.0.1 allows remote primary DNS servers to cause a denial of service (memory exhaustion and secondary DNS server crash) via a large (1) AXFR or (2) IXFR response.
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| CVE-2015-5311 | 1 Powerdns | 1 Authoritative | 2025-04-12 | 5.0 MEDIUM | N/A |
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PowerDNS (aka pdns) Authoritative Server 3.4.4 before 3.4.7 allows remote attackers to cause a denial of service (assertion failure and server crash) via crafted query packets.
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| CVE-2015-5470 | 1 Powerdns | 2 Authoritative, Recursor | 2025-04-12 | 7.8 HIGH | N/A |
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The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1868.
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| CVE-2012-0206 | 1 Powerdns | 1 Authoritative Server | 2025-04-11 | 5.0 MEDIUM | N/A |
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common_startup.cc in PowerDNS (aka pdns) Authoritative Server before 2.9.22.5 and 3.x before 3.0.1 allows remote attackers to cause a denial of service (packet loop) via a crafted UDP DNS response.
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| CVE-2012-1193 | 1 Powerdns | 1 Powerdns Recursor | 2025-04-11 | 6.4 MEDIUM | N/A |
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The resolver in PowerDNS Recursor (aka pdns_recursor) 3.3 overwrites cached server names and TTL values in NS records during the processing of a response to an A record query, which allows remote attackers to trigger continued resolvability of revoked domain names via a "ghost domain names" attack.
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| CVE-2009-4009 | 1 Powerdns | 1 Recursor | 2025-04-09 | 10.0 HIGH | N/A |
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Buffer overflow in PowerDNS Recursor before 3.1.7.2 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via crafted packets.
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| CVE-2008-1637 | 1 Powerdns | 1 Recursor | 2025-04-09 | 6.8 MEDIUM | N/A |
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PowerDNS Recursor before 3.1.5 uses insufficient randomness to calculate (1) TRXID values and (2) UDP source port numbers, which makes it easier for remote attackers to poison a DNS cache, related to (a) algorithmic deficiencies in rand and random functions in external libraries, (b) use of a 32-bit seed value, and (c) choice of the time of day as the sole seeding information.
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| CVE-2006-4251 | 1 Powerdns | 1 Recursor | 2025-04-09 | 7.5 HIGH | N/A |
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Buffer overflow in PowerDNS Recursor 3.1.3 and earlier might allow remote attackers to execute arbitrary code via a malformed TCP DNS query that prevents Recursor from properly calculating the TCP DNS query length.
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| CVE-2008-3337 | 1 Powerdns | 2 Authoritative Server, Powerdns | 2025-04-09 | 6.4 MEDIUM | N/A |
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PowerDNS Authoritative Server before 2.9.21.1 drops malformed queries, which might make it easier for remote attackers to poison DNS caches of other products running on other servers, a different issue than CVE-2008-1447 and CVE-2008-3217.
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| CVE-2006-4252 | 1 Powerdns | 1 Recursor | 2025-04-09 | 5.0 MEDIUM | N/A |
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PowerDNS Recursor 3.1.3 and earlier allows remote attackers to cause a denial of service (resource exhaustion and application crash) via a CNAME record with a zero TTL, which triggers an infinite loop.
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| CVE-2008-3217 | 1 Powerdns | 1 Recursor | 2025-04-09 | 6.8 MEDIUM | N/A |
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PowerDNS Recursor before 3.1.6 does not always use the strongest random number generator for source port selection, which makes it easier for remote attack vectors to conduct DNS cache poisoning. NOTE: this is related to incomplete integration of security improvements associated with addressing CVE-2008-1637.
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| CVE-2008-5277 | 1 Powerdns | 1 Powerdns | 2025-04-09 | 4.3 MEDIUM | N/A |
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PowerDNS before 2.9.21.2 allows remote attackers to cause a denial of service (daemon crash) via a CH HINFO query.
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| CVE-2009-4010 | 1 Powerdns | 1 Recursor | 2025-04-09 | 7.5 HIGH | N/A |
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Unspecified vulnerability in PowerDNS Recursor before 3.1.7.2 allows remote attackers to spoof DNS data via crafted zones.
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| CVE-2023-22617 | 1 Powerdns | 1 Recursor | 2025-04-03 | N/A | 7.5 HIGH |
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A remote attacker might be able to cause infinite recursion in PowerDNS Recursor 4.8.0 via a DNS query that retrieves DS records for a misconfigured domain, because QName minimization is used in QM fallback mode. This is fixed in 4.8.1.
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| CVE-2005-2302 | 1 Powerdns | 1 Powerdns | 2025-04-03 | 2.1 LOW | N/A |
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PowerDNS before 2.9.18, when allowing recursion to a restricted range of IP addresses, does not properly handle questions from clients that are denied recursion, which could cause a "blank out" of answers to those clients that are allowed to use recursion.
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| CVE-2006-2069 | 1 Powerdns | 1 Powerdns | 2025-04-03 | 5.0 MEDIUM | N/A |
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The recursor in PowerDNS before 3.0.1 allows remote attackers to cause a denial of service (application crash) via malformed EDNS0 packets.
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| CVE-2005-0428 | 1 Powerdns | 1 Powerdns | 2025-04-03 | 5.0 MEDIUM | N/A |
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The DNSPacket::expand method in dnspacket.cc in PowerDNS before 2.9.17 allows remote attackers to cause a denial of service by sending a random stream of bytes.
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| CVE-2005-2301 | 1 Powerdns | 1 Powerdns | 2025-04-03 | 5.0 MEDIUM | N/A |
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PowerDNS before 2.9.18, when running with an LDAP backend, does not properly escape LDAP queries, which allows remote attackers to cause a denial of service (failure to answer ldap questions) and possibly conduct an LDAP injection attack.
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| CVE-2005-0038 | 1 Powerdns | 1 Powerdns | 2025-04-03 | 5.0 MEDIUM | N/A |
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The DNS implementation of PowerDNS 2.9.16 and earlier allows remote attackers to cause a denial of service via a compressed DNS packet with a label length byte with an incorrect offset, which could trigger an infinite loop.
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| CVE-2023-26437 | 1 Powerdns | 1 Recursor | 2025-02-13 | N/A | 3.4 LOW |
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Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3.
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| CVE-2022-37428 | 2 Fedoraproject, Powerdns | 2 Fedora, Recursor | 2024-11-21 | N/A | 6.5 MEDIUM |
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PowerDNS Recursor up to and including 4.5.9, 4.6.2 and 4.7.1, when protobuf logging is enabled, has Improper Cleanup upon a Thrown Exception, leading to a denial of service (daemon crash) via a DNS query that leads to an answer with specific properties.
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| CVE-2022-27227 | 2 Fedoraproject, Powerdns | 3 Fedora, Authoritative Server, Recursor | 2024-11-21 | 4.3 MEDIUM | 7.5 HIGH |
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In PowerDNS Authoritative Server before 4.4.3, 4.5.x before 4.5.4, and 4.6.x before 4.6.1 and PowerDNS Recursor before 4.4.8, 4.5.x before 4.5.8, and 4.6.x before 4.6.1, insufficient validation of an IXFR end condition causes incomplete zone transfers to be handled as successful transfers.
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| CVE-2021-36754 | 1 Powerdns | 1 Authoritative Server | 2024-11-21 | 5.0 MEDIUM | 7.5 HIGH |
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PowerDNS Authoritative Server 4.5.0 before 4.5.1 allows anybody to crash the process by sending a specific query (QTYPE 65535) that causes an out-of-bounds exception.
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| CVE-2020-25829 | 2 Opensuse, Powerdns | 3 Backports Sle, Leap, Recursor | 2024-11-21 | 5.0 MEDIUM | 7.5 HIGH |
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An issue has been found in PowerDNS Recursor before 4.1.18, 4.2.x before 4.2.5, and 4.3.x before 4.3.5. A remote attacker can cause the cached records for a given name to be updated to the Bogus DNSSEC validation state, instead of their actual DNSSEC Secure state, via a DNS ANY query. This results in a denial of service for installation that always validate (dnssec=validate), and for clients requesting validation when on-demand validation is enabled (dnssec=process).
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| CVE-2020-24698 | 1 Powerdns | 1 Authoritative | 2024-11-21 | 6.8 MEDIUM | 9.8 CRITICAL |
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An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker might be able to cause a double-free, leading to a crash or possibly arbitrary code execution. by sending crafted queries with a GSS-TSIG signature.
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| CVE-2020-24697 | 1 Powerdns | 1 Authoritative | 2024-11-21 | 4.3 MEDIUM | 7.5 HIGH |
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An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker can cause a denial of service by sending crafted queries with a GSS-TSIG signature.
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| CVE-2020-24696 | 1 Powerdns | 1 Authoritative | 2024-11-21 | 5.1 MEDIUM | 8.1 HIGH |
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An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker can trigger a race condition leading to a crash, or possibly arbitrary code execution, by sending crafted queries with a GSS-TSIG signature.
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| CVE-2020-17482 | 1 Powerdns | 1 Authoritative | 2024-11-21 | 4.0 MEDIUM | 4.3 MEDIUM |
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An issue has been found in PowerDNS Authoritative Server before 4.3.1 where an authorized user with the ability to insert crafted records into a zone might be able to leak the content of uninitialized memory.
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| CVE-2020-14196 | 1 Powerdns | 1 Recursor | 2024-11-21 | 4.3 MEDIUM | 5.3 MEDIUM |
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In PowerDNS Recursor versions up to and including 4.3.1, 4.2.2 and 4.1.16, the ACL restricting access to the internal web server is not properly enforced.
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| CVE-2020-12244 | 4 Debian, Fedoraproject, Opensuse and 1 more | 5 Debian Linux, Fedora, Backports Sle and 2 more | 2024-11-21 | 5.0 MEDIUM | 7.5 HIGH |
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An issue has been found in PowerDNS Recursor 4.1.0 through 4.3.0 where records in the answer section of a NXDOMAIN response lacking an SOA were not properly validated in SyncRes::processAnswer, allowing an attacker to bypass DNSSEC validation.
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