8.6
/ 10
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
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.
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.
AI Analysis
Cache poisoning vulnerability in BIND 9 due to lenient record acceptance, allowing forged data injection into the cache.
Basic Information
ID
CVE-2025-40778
Source
isc
Published
Oct 22, 2025 at 15:47
Modified
Oct 22, 2025 at 17:32
Affected Product
Vendor
ISC
Product
BIND 9
Version
9.11.0
Affected Versions
ISC BIND 9 9.11.0
ISC BIND 9 9.18.0
ISC BIND 9 9.20.0
ISC BIND 9 9.21.0
ISC BIND 9 9.11.3-S1
ISC BIND 9 9.18.11-S1
ISC BIND 9 9.20.9-S1
ISC BIND 9 9.18.0
ISC BIND 9 9.20.0
ISC BIND 9 9.21.0
ISC BIND 9 9.11.3-S1
ISC BIND 9 9.18.11-S1
ISC BIND 9 9.20.9-S1
CWE Classification
AI Assessment
AI Score
8.6 / 10
AI Severity
High
Vendor
ISC
Product
BIND 9
Version
9.11.0-9.16.50, 9.18.0-9.18.39, 9.20.0-9.20.13, 9.21.0-9.21.12, 9.11.3-S1-9.16.50-S1, 9.18.11-S1-9.18.39-S1, 9.20.9-S1-9.20.13-S1