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CVE-2025-40776: CWE-349 Acceptance of Extraneous Untrusted Data With Trusted Data in ISC BIND 9

High
VulnerabilityCVE-2025-40776cvecve-2025-40776cwe-349
Published: Wed Jul 16 2025 (07/16/2025, 13:41:01 UTC)
Source: CVE Database V5
Vendor/Project: ISC
Product: BIND 9

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.

Technical Details

Data Version
5.1
Assigner Short Name
isc
Date Reserved
2025-04-16T08:44:49.856Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6877ad45a83201eaacdb7e36

Added to database: 7/16/2025, 1:46:45 PM

Last updated: 7/16/2025, 1:46:45 PM

Views: 1

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