Upstream information

CVE-2023-23456 at MITRE


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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v3 Scores
  National Vulnerability Database
Base Score 5.5
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1207121 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP4
  • upx >= 4.0.2-bp154.4.6.1
openSUSE Leap 15.4
  • upx >= 4.0.2-bp154.4.6.1

SUSE Timeline for this CVE

CVE page created: Fri Jan 13 01:00:16 2023
CVE page last modified: Tue Apr 11 18:01:02 2023