Description
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.
Scores
CVSS v3
5.3
EPSS
0.0000
EPSS Percentile
0.1%
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 (5)
powerdns/recursor
5.4.0
PowerDNS/Recursor
5.2.0 - 5.2.9
powerdns/recursor
5.2.0 - 5.2.9
PowerDNS/Recursor
5.3.0 - 5.3.6
PowerDNS/Recursor
5.4.0 - 5.4.1
Published
Apr 22, 2026
Tracked Since
Apr 22, 2026