CVE-2019-20805

5.5 mediumEPSS 0.8%

Medium (5.5) in upx upx. EPSS 0.8% chance of exploitation in the next 30 days.

p_lx_elf.cpp in UPX before 3.96 has an integer overflow during unpacking via crafted values in a PT_DYNAMIC segment.

Severity

5.5 medium

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

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)
CWE: CWE-190
Published: 2020-06-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19