Medium severity5.5NVD Advisory· Published Dec 27, 2019· Updated Jun 17, 2026
CVE-2019-20053
CVE-2019-20053
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8- UPX/UPXdescription
- osv-coords3 versionspkg:rpm/opensuse/upx&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/upx&distro=openSUSE%20Tumbleweedpkg:rpm/suse/upx&distro=SUSE%20Package%20Hub%2015%20SP1
< 3.96-lp151.3.3.1+ 2 more
- (no CPE)range: < 3.96-lp151.3.3.1
- (no CPE)range: < 3.96-3.2
- (no CPE)range: < 3.96-bp151.4.3.1
Patches
Vulnerability mechanics
References
3- github.com/upx/upx/issues/314nvdExploitThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.htmlnvdMailing ListThird Party Advisory
News mentions
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