CVE-2023-23457

Name	CVE-2023-23457
Description	A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() 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	vulnerable
	bookworm, sid	3.96-3	vulnerable

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)	(unfixed)	unimportant

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=2160382
https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860
https://github.com/upx/upx/issues/631