CVE-2023-23456CWE-787

Upx: heap-buffer-overflow in packtmt::pack()

Medium · published January 12, 2023

CVSS v3.1
5.3
EPSS
0%
Percentile
32.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00398 · 32.8th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2023-01-12T00:00Z
EPSS history
Timeline
  • 12 JAN 00:00Z
    Upx: heap-buffer-overflow in packtmt::pack()
    cvelistv5