Security Vulnerabilities
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.
CVSS Score
3.1
EPSS Score
0.0
Published
2026-04-22
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.
CVSS Score
6.5
EPSS Score
0.0
Published
2026-04-22
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.
CVSS Score
7.4
EPSS Score
0.0
Published
2026-04-22
Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees.
CVSS Score
5.3
EPSS Score
0.0
Published
2026-04-22
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.
CVSS Score
5.9
EPSS Score
0.0
Published
2026-04-22
A client can trigger a divide by zero error leading to crash by sending a crafted DNSCrypt query.
CVSS Score
7.5
EPSS Score
0.0
Published
2026-04-22
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.
CVSS Score
5.3
EPSS Score
0.0
Published
2026-04-22
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.
CVSS Score
5.3
EPSS Score
0.0
Published
2026-04-22
Vulnerability in Spring Spring Security. When an application configures JWT decoding with NimbusJwtDecoder or NimbusReactiveJwtDecoder, it must configure an OAuth2TokenValidator<Jwt> separately, for example by calling setJwtValidator.This issue affects Spring Security: from 6.3.0 through 6.3.14, from 6.4.0 through 6.4.14, from 6.5.0 through 6.5.9, from 7.0.0 through 7.0.4.
CVSS Score
5.3
EPSS Score
0.0
Published
2026-04-22
Vulnerability in Spring Spring Security. If an application is using securityMatchers(String) and a PathPatternRequestMatcher.Builder bean to prepend a servlet path, matching requests to that filter chain may fail and its related security components will not be exercised as intended by the application. This can lead to the authentication, authorization, and other security controls being rendered inactive on intended requests.This issue affects Spring Security: from 7.0.0 through 7.0.4.
CVSS Score
7.5
EPSS Score
0.0
Published
2026-04-22