Echo: libtasn1-6: security update to 4.20.0-2+e1

high Tenable Self-Hosted Container Security Plugin ID 463545

Description

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

- Stack-based buffer overflow in libtasn1 version: v4.20.0. The function fails to validate the size of input
data resulting in a buffer overflow in asn1_expend_octet_string. (CVE-2025-13151)

Solution

Update the libtasn1-6 library and its related packages to version 4.20.0-2+e1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-13151

Plugin Details

Severity: High

ID: 463545

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.76

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

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

CVSS Score Source: CVE-2025-13151

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: 1/8/2026

Vulnerability Publication Date: 1/7/2026

Reference Information

CVE: CVE-2025-13151