CVE-2025-40780

Cache poisoning due to weak PRNG

En bref

Sévérité
HIGH 8.6
EPSS
EPSS 0.47 % · centile 40 (2026-10-27)
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
isc
Statut NVD
Deferred

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.

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:Nisc
CVSS 3.1HIGH 8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:NNVD · security-officer@isc.org (Secondary)

Faiblesses (CWE)

Références européennes

Avis du CERT-FR

Produits affectés

ProduitVersions
ISC · BIND 9affected 9.16.0 ≤ 9.16.50 ; affected 9.18.0 ≤ 9.18.39 ; affected 9.20.0 ≤ 9.20.13 ; affected 9.21.0 ≤ 9.21.12 ; affected 9.16.8-S1 ≤ 9.16.50-S1 ; affected 9.18.11-S1 ≤ 9.18.39-S1

Références

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD