Description
p_mach.cpp in UPX 3.94 allows remote attackers to cause a denial of service (invalid memory access and application crash) or possibly have unspecified other impact via a crafted Mach-O file, related to canPack and unpack functions. NOTE: the vendor has stated "there is no security implication whatsoever.
References (1)
Core 1
Core References
Third Party Advisory x_refsource_misc
https://github.com/upx/upx/issues/146
Scores
CVSS v3
7.8
EPSS
0.0100
EPSS Percentile
58.7%
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-119
Status
published
Products (1)
upx/upx
3.94
Published
Nov 17, 2017
Tracked Since
Feb 18, 2026