CVE-2019-20051: Fedoraproject Fedora

Medium severity, CVSS 5.5. EPSS: 0.9% chance of exploitation in the next 30 days.

A floating-point exception was discovered in PackLinuxElf::elf_hash in p_lx_elf.cpp in UPX 3.95. The vulnerability causes an application crash, which leads to denial of service.

Affected products

• Fedoraproject Fedora: version 30 only; version 31 only
• Upx Upx: version 3.95 only

Published 2019-12-27. Last modified 2026-06-17.