Detections
Analytics

Alpine: multiple upx packages: security update to 4.0.2-r0

medium Tenable Cloud Security Plugin ID 427261

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

 - A heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow
 allows an attacker to cause a denial of service (abort) via a crafted file. (CVE-2023-23456)

 - A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker
 with a crafted input file allows invalid memory address access that could lead to a denial of service.
 (CVE-2023-23457)

See Also

https://security.alpinelinux.org/vuln/CVE-2023-23456

https://security.alpinelinux.org/vuln/CVE-2023-23457

Plugin Details

Severity: Medium

ID: 427261

Version: Revision 1.4

Type: Local

Published: 5/16/2025

Updated: 6/1/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.51

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.8

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

CVSS Score Source: CVE-2023-23457

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 1/12/2023

Reference Information

CVE: CVE-2023-23456, CVE-2023-23457