Vulnerabilities
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EPSS
| CVE | CVSS | EPSS | Vendor, product | Description | Modified |
|---|---|---|---|---|---|
| CVE-2026-33598 | 9.1 critical | 1.0% | powerdns, dnsdist | A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress() or getAddressListByDomain() on a packet cache. | Mon 26 Oct |
| CVE-2026-33602 | 8.2 high | 1.0% | powerdns, dnsdist | A rogue backend can send a crafted UDP response with a query ID off by one related to the maximum configured value, triggering an out-of-bounds write leading to a denial of service. | Mon 26 Oct |
| CVE-2026-33257 | 7.5 high | 1.0% | powerdns, authoritative, dnsdist, recursor | An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default. | Mon 26 Oct |
| CVE-2026-33258 | 7.5 high | 1.0% | powerdns, recursor | By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches. | Mon 26 Oct |
| CVE-2026-33260 | 7.5 high | 1.0% | powerdns, authoritative, dnsdist, recursor | An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default. | Mon 26 Oct |
| CVE-2026-33256 | 7.5 high | 1.0% | powerdns, recursor | An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default. | Mon 26 Oct |
| CVE-2026-33600 | 4.9 medium | 1.0% | powerdns, recursor | An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service. | Mon 26 Oct |
| CVE-2026-33601 | 4.9 medium | 1.0% | powerdns, recursor | If you use the zoneToCache function with a malicious authoritative server, an attacker can send a zone that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service. | Mon 26 Oct |
| CVE-2026-33608 | 9.8 critical | 0.00% | powerdns, authoritative | An attacker can send a notify request that causes a new secondary domain to be added to the bind backend, but causes said backend to update its configuration to an invalid one, leading to the backend no longer able to run on the next restart, requiring manual operation to fix it. | Mon 26 Oct |
| CVE-2026-33599 | 8.1 high | 0.00% | powerdns, dnsdist | A rogue backend can send a crafted SVCB response to a Discovery of Designated Resolvers request, when requested via either the autoUpgrade (Lua) option to newServer or auto_upgrade (YAML) settings. DDR upgrade is not enabled by default. | Mon 26 Oct |
| CVE-2026-33597 | 7.5 high | 0.00% | powerdns, dnsdist | PRSD detection denial of service | Mon 26 Oct |
| CVE-2026-33254 | 7.5 high | 0.00% | powerdns, dnsdist | An attacker can create a large number of concurrent DoQ or DoH3 connections, causing unlimited memory allocation in DNSdist and leading to a denial of service. DOQ and DoH3 are disabled by default. | Mon 26 Oct |
| CVE-2026-33593 | 7.5 high | 0.00% | powerdns, dnsdist | A client can trigger a divide by zero error leading to crash by sending a crafted DNSCrypt query. | Mon 26 Oct |
| CVE-2026-33594 | 7.5 high | 0.00% | powerdns, dnsdist | A client can trigger excessive memory allocation by generating a lot of queries that are routed to an overloaded DoH backend, causing queries to accumulate into a buffer that will not be released until the end of the connection. | Mon 26 Oct |
| CVE-2026-33595 | 7.5 high | 0.00% | powerdns, dnsdist | A client can trigger excessive memory allocation by generating a lot of errors responses over a single DoQ and DoH3 connection, as some resources were not properly released until the end of the connection. | Mon 26 Oct |
| CVE-2026-33610 | 7.5 high | 0.00% | powerdns, authoritative | A rogue primary server may cause file descriptor exhaustion and eventually a denial of service, when a PowerDNS secondary server forwards a DNS update request to it. | Mon 26 Oct |
| CVE-2026-33596 | 6.5 medium | 0.00% | powerdns, dnsdist | A client might theoretically be able to cause a mismatch between queries sent to a backend and the received responses by sending a flood of perfectly timed queries that are routed to a TCP-only or DNS over TLS backend. | Mon 26 Oct |
| CVE-2026-33609 | 6.5 medium | 0.00% | powerdns, authoritative | Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees. | Mon 26 Oct |
| CVE-2026-33261 | 5.9 medium | 0.00% | powerdns, recursor | A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service. | Mon 26 Oct |
| CVE-2026-33262 | 5.9 medium | 0.00% | powerdns, recursor | An attacker can send replies that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service. Cookies are disabled by default. | Mon 26 Oct |
| CVE-2026-33259 | 5.0 medium | 0.00% | powerdns, recursor | Having many concurrent transfers of the same RPZ can lead to inconsistent RPZ data, use after free and/or a crash of the recursor. Normally concurrent transfers of the same RPZ zone can only occur with a malfunctioning RPZ provider. | Mon 26 Oct |
| CVE-2026-33611 | 4.9 medium | 0.00% | powerdns, authoritative | An operator allowed to use the REST API can cause the Authoritative server to produce invalid HTTPS or SVCB record data, which can in turn cause LMDB database corruption, if using the LMDB backend. | Mon 26 Oct |
22 of 22
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EPSS scores: 2026-10-27. NVD cursor: 2026-10-28 23:22. The News page shows only notable CVEs (KEV, your stack, new criticals, EPSS over 50%, or active exploitation per SSVC); this table has all of them.