CVE records

Every CVE as the CVE Program publishes it, refreshed every ten minutes, with NVD's analysis, CISA's known-exploited status and a healthcare tag. Subscribers get the CVEs that match their own systems on My program, by email as they are published. Where the data comes from: sources.

Updated under an hour ago ()

What this means for you

This week: 5,437 CVEs published, 355 critical, and 7 newly confirmed exploited. Add your stack to see whether any of them hit you.

Published in the last 7 days
5,437
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Critical, last 7 days
355
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Healthcare-tagged, last 7 days
4
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Known exploited (CISA KEV)
1,747
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Showing CVEs that name the product powerdns:dnsdist. Show all products

18 CVEs, showing 1 to 18
CVESeverityTitlePublished
CVE-2026-33602High 8.2A 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.Apr 22, 2026
CVE-2026-33599High 8.1A 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.Apr 22, 2026
CVE-2026-33598Critical 9.1A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress() or getAddressListByDomain() on a packet cache.Apr 22, 2026
CVE-2026-33597High 7.5PRSD detection denial of serviceApr 22, 2026
CVE-2026-33596Medium 6.5A 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 DN…Apr 22, 2026
CVE-2026-33595High 7.5A 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 conne…Apr 22, 2026
CVE-2026-33594High 7.5A 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 unt…Apr 22, 2026
CVE-2026-33593High 7.5A client can trigger a divide by zero error leading to crash by sending a crafted DNSCrypt query.Apr 22, 2026
CVE-2026-33254High 7.5An 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.Apr 22, 2026
CVE-2026-33260High 7.5An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service.Apr 22, 2026
CVE-2026-33257High 7.5An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service.Apr 22, 2026
CVE-2026-27854High 7.5An attacker might be able to trigger a use-after-free by sending crafted DNS queries to a DNSdist using the DNSQuestion:getEDNSOptions method in custom Lua code.Mar 31, 2026
CVE-2026-27853High 7.5An attacker might be able to trigger an out-of-bounds write by sending crafted DNS responses to a DNSdist using the DNSQuestion:changeName or DNSResponse:changeName methods in custom Lua code.Mar 31, 2026
CVE-2026-24030High 7.5An attacker might be able to trick DNSdist into allocating too much memory while processing DNS over QUIC or DNS over HTTP/3 payloads, resulting in a denial of service.Mar 31, 2026
CVE-2026-24029Medium 6.5When the early_acl_drop (earlyACLDrop in Lua) option is disabled (default is enabled) on a DNS over HTTPs frontend using the nghttp2 provider, the ACL check is skipped, allowing all clients to send D…Mar 31, 2026
CVE-2026-24028High 8.2An attacker might be able to trigger an out-of-bounds read by sending a crafted DNS response packet, when custom Lua code uses newDNSPacketOverlay to parse DNS packets.Mar 31, 2026
CVE-2026-0397Medium 4.3When the internal webserver is enabled (default is disabled), an attacker might be able to trick an administrator logged to the dashboard into visiting a malicious website and extract information abo…Mar 31, 2026
CVE-2026-0396Medium 4.3An attacker might be able to inject HTML content into the internal web dashboard by sending crafted DNS queries to a DNSdist instance where domain-based dynamic rules have been enabled via either Dyn…Mar 31, 2026

CVSS is the assigning CNA's score where it gives one, otherwise NVD's. The healthcare tag is a documented heuristic (a list of clinical and health IT vendors, and clinical terms in the description), not a classification. The CVE record is authoritative.

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