Description
A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer overflow and application crash) or possibly have unspecified other impacts via a crafted ELF. The highest threat from this vulnerability is to system availability.
References (2)
Core 2
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/upx/upx/issues/421
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1937787
Scores
CVSS v3
6.6
EPSS
0.0075
EPSS Percentile
50.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
Details
CWE
CWE-119
CWE-787
Status
published
Products (1)
upx/upx
3.96
Published
Mar 26, 2021
Tracked Since
Feb 18, 2026