CVE-2019-20053

MEDIUM

UPX 3.95 - Invalid Memory Address Dereference in canUnpack Function

Title source: llm
STIX 2.1

Description

An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.

References (3)

Core 3
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/upx/upx/issues/314
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.html

Scores

CVSS v3 5.5
EPSS 0.0037
EPSS Percentile 58.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-119
Status published
Products (3)
opensuse/backports sle-15 sp1
opensuse/leap 15.1
upx/upx 3.95
Published Dec 27, 2019
Tracked Since Feb 18, 2026