Echo: gnutls28: security update to 3.8.9-3+e8

high Tenable Self-Hosted Container Security Plugin ID 460289

Description

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

- A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer
Security (DTLS) packet reordering logic. The comparator function, responsible for ordering DTLS packets by
sequence numbers, did not correctly handle packets with duplicate sequence numbers. This could lead to
unstable packet ordering or undefined behavior, resulting in a denial of service. (CVE-2026-42009)

Solution

Update the gnutls28 library and its related packages to version 3.8.9-3+e8 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-42009

Plugin Details

Severity: High

ID: 460289

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.71

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-2026-42009

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: 5/1/2026

Vulnerability Publication Date: 4/30/2026

Reference Information

CVE: CVE-2026-42009

IAVA: 2026-A-0405