CVEvulnerability

CVE-2025-40776

8.6 HIGH Published 2025-07-16 Modified 2026-06-17 Official page ↗
Status
Deferred
Published
2025-07-16
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Weaknesses
CWE-349

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.

Related

Weakness · CWE (1)

  • CWE-349 Acceptance of Extraneous Untrusted Data With Trusted Data weakness

References