Detections
Analytics

Alpine: multiple upx packages: security update to 3.96-r1

medium Tenable Cloud Security Plugin ID 407439

Description

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

 - A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial
 of service (SEGV or buffer overflow and application crash) or possibly have unspecified other impacts via
 a crafted ELF. The highest threat from this vulnerability is to system availability. (CVE-2021-20285)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-20285

Plugin Details

Severity: Medium

ID: 407439

Version: Revision 1.27

Type: Local

Published: 10/31/2023

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3.9

Percentile: 52.21

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.5

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

CVSS Score Source: CVE-2021-20285

CVSS v3

Risk Factor: Medium

Base Score: 6.6

Temporal Score: 5.9

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/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: 3/11/2021

Reference Information

CVE: CVE-2021-20285