Description
p_lx_elf.cpp in UPX 3.94 mishandles ELF headers, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted binary file, as demonstrated by an Invalid Pointer Read in PackLinuxElf64::unpack().
References (1)
Core 1
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://github.com/upx/upx/issues/128
Scores
CVSS v3
7.8
EPSS
0.0096
EPSS Percentile
57.1%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-476
Status
published
Products (1)
upx/upx
3.94
Published
Oct 06, 2017
Tracked Since
Feb 18, 2026