Description
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.
Scores
CVSS v3
5.3
EPSS
0.0001
EPSS Percentile
1.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-770
Status
published
Products (3)
PowerDNS/DNSdist
1.9.0 - 1.9.13
powerdns/dnsdist
1.9.0 - 1.9.13
PowerDNS/DNSdist
2.0.0 - 2.0.4
Published
Apr 22, 2026
Tracked Since
Apr 22, 2026