Detections
Analytics

Echo: gnutls28: security update to 3.8.9-3+e6

critical Tenable Self-Hosted Container Security Plugin ID 463705

Description

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

 - A flaw in GnuTLS DTLS handshake parsing allows malformed fragments with zero length and non-zero offset,
 leading to an integer underflow during reassembly and resulting in an out-of-bounds read. This issue is
 remotely exploitable and may cause information disclosure or denial of service. (CVE-2026-33845)

Solution

Update the gnutls28 library and its related packages to version 3.8.9-3+e6 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-33845

Plugin Details

Severity: Critical

ID: 463705

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.64

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-33845

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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-2026-33845

IAVA: 2026-A-0405