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