CVE-2025-40778

8.6 HIGH
Published: October 22, 2025 Modified: November 04, 2025

Description

Under certain circumstances, BIND is too lenient when accepting records from answers, allowing an attacker to inject forged data into the cache. This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.39-S1, and 9.20.9-S1 through 9.20.13-S1.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://kb.isc.org/docs/cve-2025-40778
Source: security-officer@isc.org
http://www.openwall.com/lists/oss-security/2025/10/22/1
Source: af854a3a-2127-422b-91ae-364da2661108
https://gist.github.com/N3mes1s/f76b4a606308937b0806a5256bc1f918
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.6 / 10.0
EPSS (Exploit Probability)
0.0%
0th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)