CVE-2020-27790

MEDIUM

UPX < 3.96 - Denial of Service via Crafted Input File

Title source: llm
STIX 2.1

Description

A floating point exception issue was discovered in UPX in PackLinuxElf64::invert_pt_dynamic() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading to a denial of service. The highest impact is to Availability.

References (2)

Core 2
Core References
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://github.com/upx/upx/issues/331

Scores

CVSS v3 5.5
EPSS 0.0032
EPSS Percentile 23.1%
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-369
Status published
Products (1)
upx/upx < 3.96
Published Aug 18, 2022
Tracked Since Feb 18, 2026