Vulnerability CVE-2023-23456
Published: 2023-01-12

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.

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=2160381
https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4
https://github.com/upx/upx/issues/632
Copyright 2026, cxsecurity.com

 

Back to Top