Upstream information

CVE-2019-20021 at MITRE

Description

A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
CVSS detail National Vulnerability Database
Base Score 4.3
Vector AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
CVSS detail 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: 1159833 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP1
  • upx >= 3.96-bp151.4.3.1
 Patchnames:
openSUSE-2020-180
openSUSE Leap 15.1
  • upx >= 3.96-lp151.3.3.1
 Patchnames:
openSUSE-2020-163
openSUSE Tumbleweed
  • upx >= 3.96-3.2
 Patchnames:
openSUSE-Tumbleweed-2024-11486

SUSE Timeline for this CVE

CVE page created: Fri Dec 27 09:22:49 2019
CVE page last modified: Mon Oct 6 19:23:30 2025