Detections
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Echo: bind9: security update to 1:9.20.29-1~deb13u1

medium Tenable Self-Hosted Container Security Plugin ID 464441

Description

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

 - A BIND recursive resolver may experience excessive resource consumption if it encounters large numbers of
 a particular kind of invalid DNSSEC record. Default limits on "max-records-per-type" and "max-types-per-
 name" help mitigate the exposure. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0
 through 9.20.27, 9.21.0 through 9.21.25, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.27-S1.
 (CVE-2026-19668)

Solution

Update the bind9 library and its related packages to version 1:9.20.29-1~deb13u1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-19668

Plugin Details

Severity: Medium

ID: 464441

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3.2

Percentile: 50.42

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-19668

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/16/2026

Vulnerability Publication Date: 9/16/2026

Reference Information

CVE: CVE-2026-19668

IAVA: 2026-A-1029