CVE-2023-23456 Information

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.

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=2160381 https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4 https://github.com/upx/upx/issues/632