Severity
8.6HIGH
EPSS
0.0%
top 99.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 22
Latest updateNov 12
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:NExploitability: 3.9 | Impact: 4.0
Affected Packages4 packages
🔴Vulnerability Details
6OSV▶
CVE-2025-40778: Under certain circumstances, BIND is too lenient when accepting records from answers, allowing an attacker to inject forged data into the cache↗2025-10-22
OSV▶
CVE-2025-40778: Under certain circumstances, BIND is too lenient when accepting records from answers, allowing an attacker to inject forged data into the cache↗2025-10-22
📋Vendor Advisories
5Debian▶
CVE-2025-40778: bind9 - Under certain circumstances, BIND is too lenient when accepting records from ans...↗2025