SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-59023

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

HIGH 8.2EPSS 0.28%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.28%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 3.1
8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
EPSS
0.28% probability · 20th percentile
CISA KEV
Not listed
Weakness
CWE-294
Affected
powerdns/recursor
Source
security@open-xchange.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.