CVE-2021-20285

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.6 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 54.03%
Affected Products (NVD)
VendorProductVersion
upxupx
3.96
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
upx-ucl
bullseye
unimportant
sid
4.2.4-1
fixed
trixie
4.2.4-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
upx-ucl
bionic
needed
focal
needed
groovy
ignored
hirsute
ignored
impish
ignored
jammy
needed
kinetic
ignored
lunar
ignored
mantic
ignored
noble
needed
oracular
ignored
plucky
ignored
questing
ignored
resolute
needed
trusty
dne
xenial
needed