CVE-2023-23456

Name	CVE-2023-23456
Description	A heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow allows an attacker to cause a denial of service (abort) via a crafted file.
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)
Debian Bugs	1033258

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
	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)			1033258

Notes

[buster] - upx-ucl <no-dsa> (Minor issue)
https://bugzilla.redhat.com/show_bug.cgi?id=2160381
https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4
https://github.com/upx/upx/issues/632