Description
A `named` caching resolver that is configured to send ECS (EDNS Client Subnet) options may be vulnerable to a cache-poisoning attack. This issue affects BIND 9 versions 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.37-S1, and 9.20.9-S1 through 9.20.10-S1.
INFO
Published Date :
2025-07-16T13:41:01.337Z
Last Modified :
2025-07-22T14:55:04.420Z
Source :
isc
AFFECTED PRODUCTS
The following products are affected by CVE-2025-40776 vulnerability.
| Vendors | Products |
|---|---|
| Isc |
|
REFERENCES
Here, you will find a curated list of external links that provide in-depth information to CVE-2025-40776.
| URL | Resource |
|---|---|
| https://kb.isc.org/docs/cve-2025-40776 |
|
CVSS Vulnerability Scoring System
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact