AUGUST 4, 2026
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Case File

CVE-2025-40780

HIGH · CVSS 8.6 EPSS 0.46%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-10-22 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.6. See the original NVD description below for full technical details.

CVE
CVE-2025-40780
Severity
HIGH
CVSS
8.6
EPSS
0.46%

Original NVD 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.