CVE-2020-27787

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

A Segmentaation fault was found in UPX in invert_pt_dynamic() function in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-119

Affected software

Vendor	Product	Versions
n/a	upx	Fixed in v3.96.

References

https://github.com/upx/upx/commit/e2f60adc95334f47e286838dac33160819c5d74dPatch, Third Party Advisory
https://github.com/upx/upx/issues/333Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/upx/upx/commit/e2f60adc95334f47e286838dac33160819c5d74dPatch, Third Party Advisory
https://github.com/upx/upx/issues/333Exploit, Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Aug 18, 2022
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

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