CVE-2020-27787

Name	CVE-2020-27787
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
upx-ucl (PTS)	buster	3.95-1	vulnerable
	bullseye	3.96-2	fixed
	bookworm, sid	3.96-3	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
upx-ucl	source	(unstable)	3.96-1	unimportant

https://github.com/upx/upx/issues/333
https://github.com/upx/upx/commit/e2f60adc95334f47e286838dac33160819c5d74d (v3.96)