CVE-2025-40778 – Cache poisoning attacks with unsolicited RRs

CVE ID : CVE-2025-40778

Published : Oct. 22, 2025, 4:15 p.m. | 27 minutes ago

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.

Severity: 8.6 | HIGH

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