CVE-2020-1983

A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service.
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
palo_altoCNA
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
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 35%
VendorProductVersion
libslirp_projectlibslirp
𝑥
≤ 4.2.0
debiandebian_linux
8.0
debiandebian_linux
9.0
opensuseleap
15.1
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
19.10
canonicalubuntu_linux
20.04
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libslirp
bullseye
4.4.0-1+deb11u2
fixed
buster
no-dsa
bookworm
4.7.0-1
fixed
sid
4.8.0-1
fixed
trixie
4.8.0-1
fixed
qemu
bullseye
1:5.2+dfsg-11+deb11u3
fixed
buster
no-dsa
bullseye (security)
1:5.2+dfsg-11+deb11u2
fixed
bookworm
1:7.2+dfsg-7+deb12u7
fixed
sid
1:9.1.1+ds-2
fixed
trixie
1:9.1.1+ds-2
fixed
slirp4netns
bullseye
1.0.1-2
fixed
buster
no-dsa
bookworm
1.2.0-1
fixed
sid
1.2.1-1
fixed
trixie
1.2.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libslirp
noble
Fixed 4.1.0-2ubuntu2
released
mantic
Fixed 4.1.0-2ubuntu2
released
lunar
Fixed 4.1.0-2ubuntu2
released
kinetic
Fixed 4.1.0-2ubuntu2
released
jammy
Fixed 4.1.0-2ubuntu2
released
impish
Fixed 4.1.0-2ubuntu2
released
hirsute
Fixed 4.1.0-2ubuntu2
released
groovy
Fixed 4.1.0-2ubuntu2
released
focal
Fixed 4.1.0-2ubuntu2
released
eoan
dne
bionic
dne
xenial
dne
trusty
dne
qemu
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
not-affected
eoan
Fixed 1:4.0+dfsg-0ubuntu9.6
released
bionic
Fixed 1:2.11+dfsg-1ubuntu7.26
released
xenial
Fixed 1:2.5+dfsg-5ubuntu10.44
released
trusty
needs-triage
qemu-kvm
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
dne
xenial
dne
trusty
dne
slirp4netns
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
needs-triage
eoan
ignored
bionic
dne
xenial
dne
trusty
dne
References