Description

In specific circumstances, due to a weakness in the Pseudo Random Number Generator (PRNG) that is used, it is possible for an attacker to predict the source port and query ID that BIND will use. This issue affects BIND 9 versions 9.16.0 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, 9.16.8-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.

INFO

Published Date :

2025-10-22T15:48:27.146Z

Last Modified :

2025-11-04T21:10:16.728Z

Source :

isc
AFFECTED PRODUCTS

The following products are affected by CVE-2025-40780 vulnerability.

Vendors Products
Isc
  • Bind 9
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-40780.

URL Resource
http://www.openwall.com/lists/oss-security/2025/10/22/1 cve-icon
https://kb.isc.org/docs/cve-2025-40780 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-40780 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-40780 cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact