Published: 27/12/2019 Updated: 07/11/2023

CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8

VMScore: 383

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

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

Vulnerable Product	Search on Vulmon	Subscribe to Product
upx project upx 3.95
fedoraproject fedora 30
fedoraproject fedora 31

Debian Bug report logs - #947471 upx-ucl: CVE-2019-20021 CVE-2019-20053 Package: src:upx-ucl; Maintainer for src:upx-ucl is Robert Luberda <robert@debianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 27 Dec 2019 13:39:02 UTC Severity: normal Tags: security, upstream Found in versions upx-ucl ...

CWE-125 https://github.com/upx/upx/issues/315 http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.html http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D7XU42G6MUQQXHWRP7DCF2JSIBOJ5GOO/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUTVSTXAFTD552NO2K2RIF6MDQEHP3BE/https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=947471 https://nvd.nist.gov

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