https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2026-33602.htmlhttps://patchthecve.com/cve/CVE-2026-33602.htmlMon, 26 Oct 2026 21:10:00 +0000MEDIUM 6.5: 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.https://patchthecve.com/cve/CVE-2026-33599.htmlhttps://patchthecve.com/cve/CVE-2026-33599.htmlMon, 26 Oct 2026 21:10:00 +0000LOW 3.1: 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.https://patchthecve.com/cve/CVE-2026-33598.htmlhttps://patchthecve.com/cve/CVE-2026-33598.htmlMon, 26 Oct 2026 21:10:00 +0000MEDIUM 4.8: A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress() or getAddressListByDomain() on a packet cache.https://patchthecve.com/cve/CVE-2026-33597.htmlhttps://patchthecve.com/cve/CVE-2026-33597.htmlMon, 26 Oct 2026 22:10:00 +0000LOW 3.7: PRSD detection denial of servicehttps://patchthecve.com/cve/CVE-2026-33596.htmlhttps://patchthecve.com/cve/CVE-2026-33596.htmlMon, 26 Oct 2026 21:10:00 +0000LOW 3.1: 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.https://patchthecve.com/cve/CVE-2026-33595.htmlhttps://patchthecve.com/cve/CVE-2026-33595.htmlMon, 26 Oct 2026 21:10:00 +0000MEDIUM 5.3: 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.https://patchthecve.com/cve/CVE-2026-33594.htmlhttps://patchthecve.com/cve/CVE-2026-33594.htmlMon, 26 Oct 2026 21:10:00 +0000MEDIUM 5.3: 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.https://patchthecve.com/cve/CVE-2026-33593.htmlhttps://patchthecve.com/cve/CVE-2026-33593.htmlMon, 26 Oct 2026 21:10:00 +0000HIGH 7.5: A client can trigger a divide by zero error leading to crash by sending a crafted DNSCrypt query.https://patchthecve.com/cve/CVE-2026-33254.htmlhttps://patchthecve.com/cve/CVE-2026-33254.htmlMon, 26 Oct 2026 21:10:00 +0000MEDIUM 5.3: 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.https://patchthecve.com/cve/CVE-2026-33260.htmlhttps://patchthecve.com/cve/CVE-2026-33260.htmlMon, 26 Oct 2026 21:10:00 +0000MEDIUM 5.3: 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.https://patchthecve.com/cve/CVE-2026-33257.htmlhttps://patchthecve.com/cve/CVE-2026-33257.htmlMon, 26 Oct 2026 22:10:00 +0000MEDIUM 5.3: 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.