CVE-2021-28831

decompress_gunzip.c in BusyBox through 1.32.1 mishandles the error bit on the huft_build result pointer, with a resultant invalid free or segmentation fault, via malformed gzip data.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 76%
VendorProductVersion
busyboxbusybox
1.32.0 ≤
𝑥
≤ 1.32.1
debiandebian_linux
9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
busybox
bullseye
no-dsa
buster
no-dsa
bookworm
1:1.35.0-4
fixed
sid
1:1.37.0-4
fixed
trixie
1:1.37.0-4
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
busybox
lunar
Fixed 1:1.30.1-7ubuntu2
released
kinetic
Fixed 1:1.30.1-7ubuntu2
released
jammy
Fixed 1:1.30.1-7ubuntu2
released
impish
Fixed 1:1.30.1-6ubuntu3.1
released
hirsute
Fixed 1:1.30.1-6ubuntu2.1
released
groovy
ignored
focal
Fixed 1:1.30.1-4ubuntu6.4
released
bionic
Fixed 1:1.27.2-2ubuntu3.4
released
xenial
Fixed 1:1.22.0-15ubuntu1.4+esm1
released
trusty
Fixed 1:1.21.0-1ubuntu1.4+esm1
released