CVE-2023-23456
Upx: heap-buffer-overflow in packtmt::pack()
MEDIUM 5.5EPSS 0.4%
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.
- Affected
- upx
- CVSS v3.1 NVD
- 5.5 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS v3.1 PUITERWIJK
- 5.3 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L - EPSS
- 0.39% chance of exploitation in the next 30 days, 31st percentile
- Published
- 2023-01-12
- Updated
- 2024-12-11
Proof-of-concept exploits (1)
- upx/upx/issues/63217955★ · 2026-10-17