https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-09-29T16:40:02.901687+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2023-23456 CVE-2023-23456 — Upx: heap-buffer-overflow in packtmt::pack() 2026-09-29T16:40:02.920058+00:00

Affected: upx

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.