CVE-2020-27790: 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…

PriorityP418medium5.5CVSS 3.1

AVLACLPRNUIRSUCNINAH

EPSS

0.32%

23.3th percentile

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.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
debian	upx-ucl	< upx-ucl 3.96-1 (bullseye)	upx-ucl 3.96-1 (bullseye)
upx	upx	< 3.96	3.96
upx	upx	—	—

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

osv5.5MEDIUM

vendor_debian5.5LOW

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