ISC BIND 9.20.0 < 9.20.21 / 9.20.9-S1 < 9.20.21-S1 / 9.21.0 < 9.21.20 Vulnerability (cve-2026-3119)

medium Nessus Plugin ID 303598

Synopsis

The remote name server is affected by a vulnerability vulnerability.

Description

The version of ISC BIND installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the cve-2026-3119 advisory.

- Under certain conditions, named may crash when processing a correctly signed query containing a TKEY record. The affected code can only be reached if an incoming request has a valid transaction signature (TSIG) from a key declared in the named configuration.If this situation is encountered, named will terminate unexpectedly. - Authoritative servers are affected by this vulnerability. - Resolvers are affected by this vulnerability. Authoritative servers are affected by this vulnerability.
Resolvers are affected by this vulnerability. (CVE-2026-3119)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to ISC BIND version 9.20.21 / 9.20.21-S1 / 9.21.20 or later.

Plugin Details

Severity: Medium

ID: 303598

File Name: bind9_92120_cve-2026-3119.nasl

Version: 1.1

Type: remote

Family: DNS

Published: 3/25/2026

Updated: 3/25/2026

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2026-3119

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:isc:bind

Required KB Items: bind/version, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 3/25/2026

Vulnerability Publication Date: 3/25/2026

Reference Information

CVE: CVE-2026-3119

Detections

Analytics