CVE-2026-0398

5.3 MEDIUM

Published: February 09, 2026 Modified: February 09, 2026

Description

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

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Patch Vendor Advisory Exploit Third Party Advisory

Source: security@open-xchange.com

1 reference(s) from NVD

CVSS v3 Score

5.3 / 10.0

EPSS (Exploit Probability)

0.0%

0th percentile

Exploitation Status

Not in CISA KEV

CWE-770