Detections
Analytics

Echo: bind9: security update to 1:9.20.30-1~deb13u1

high Tenable Cloud Security Plugin ID 476610

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - A recursive BIND server that receives a query with recursion desired (RD=1) followed by a non-recursive
 query (RD=0) may exit with an assertion failure, resulting in a denial of service. To be vulnerable, the
 BIND server must allow recursive queries and have at least two RPZ zones configured: one with the default
 setting of "recursive-only yes", and the other with "recursive-only no". This issue affects BIND 9
 versions 9.16.0 through 9.18.50, 9.20.0 through 9.20.29, 9.21.0 through 9.21.26, 9.11.3-S1 through
 9.18.50-S1, and 9.20.9-S1 through 9.20.29-S1. (CVE-2026-97313)

Solution

Update the bind9 library and its related packages to version 1:9.20.30-1~deb13u1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-97313

Plugin Details

Severity: High

ID: 476610

Version: Revision 1.1

Type: Local

Published: 10/22/2026

Updated: 10/22/2026

Risk Information

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-97313

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/22/2026

Vulnerability Publication Date: 10/21/2026

Reference Information

CVE: CVE-2026-97313