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

medium Tenable Self-Hosted Container Security Plugin ID 458501

Description

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

- A validly signed NSEC3 from an unrelated sibling zone may be accepted as an insecurity proof, downgrading
a secure delegation and letting a forged unsigned answer through. 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-2026-77119)

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-2026-77119

Plugin Details

Severity: Medium

ID: 458501

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.27

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4

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

CVSS Score Source: CVE-2026-77119

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

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-2026-77119

IAVA: 2026-A-1029