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PowerDNS recursorCrafted delegations or IP fragments can poison cached delegations in Recursor

Risk 57
Severity
8.2
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

Crafted delegations or IP fragments can poison cached delegations in Recursor.

First published (updated )
CVE-2025-59023

PowerDNS recursorInsufficient validation of incoming notifies over TCP can lead to a denial of service in Recursor

Risk 45
Severity
7.5
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

An attacker can trigger the removal of cached records by sending a NOTIFY query over TCP.

First published (updated )
CVE-2025-59030

PowerDNS recursorCrafted delegations or IP fragments can poison cached delegations in Recursor

Risk 47
Severity
6.5
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L

Crafted delegations or IP fragments can poison cached delegations in Recursor.

First published (updated )
CVE-2025-59024

PowerDNS recursorCrafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor

Risk 28
Severity
5.3
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor.

First published (updated )
CVE-2026-0398

PowerDNS recursorCrafted zones can lead to increased incoming network traffic

Risk 20
Severity
5.3
EPSS
0.01%
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Crafted zones can lead to increased incoming network traffic.

First published (updated )
CVE-2026-24027

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