Detections
Analytics

Alpine: multiple libtasn1 packages: security update to 4.21.0-r0

high Tenable Cloud Security Plugin ID 436709

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)

See Also

https://security.alpinelinux.org/vuln/CVE-2025-13151

Plugin Details

Severity: High

ID: 436709

Version: Revision 1.3

Type: Local

Published: 1/13/2026

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

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-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

Vulnerability Publication Date: 1/7/2026

Reference Information

CVE: CVE-2025-13151