Out-of-bounds Write Affecting upx package, versions <4.0.2-r0
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Availability
High
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-ALPINE317-UPX-3267269
- published 3 Feb 2023
- disclosed 12 Jan 2023
Introduced: 12 Jan 2023
CVE-2023-23456 Open this link in a new tabHow to fix?
Upgrade Alpine:3.17 upx to version 4.0.2-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream upx package and not the upx package as distributed by Alpine:3.17.
See How to fix? for Alpine:3.17 relevant fixed versions and status.
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.