CVE-2021-46784

In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 90%
Affected Products (NVD)
VendorProductVersion
squid-cachesquid
3.0 ≤
𝑥
≤ 3.5.28
squid-cachesquid
4.0 ≤
𝑥
≤ 4.17
squid-cachesquid
5.0 ≤
𝑥
< 5.6
debiandebian_linux
10.0
debiandebian_linux
11.0
debiandebian_linux
12.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
squid
bookworm
5.7-2+deb12u2
fixed
bookworm (security)
5.7-2+deb12u2
fixed
bullseye
4.13-10+deb11u3
fixed
bullseye (security)
4.13-10+deb11u3
fixed
sid
6.12-1
fixed
trixie
6.12-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
squid
bionic
dne
focal
Fixed 4.10-1ubuntu1.6
released
impish
Fixed 4.13-10ubuntu5.1
released
jammy
Fixed 5.2-1ubuntu4.1
released
kinetic
Fixed 5.2-1ubuntu5
released
lunar
Fixed 5.2-1ubuntu5
released
mantic
Fixed 5.2-1ubuntu5
released
noble
Fixed 5.2-1ubuntu5
released
trusty
dne
xenial
dne
squid3
bionic
Fixed 3.5.27-1ubuntu1.13
released
focal
dne
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
needed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
squid
RHEL 7
7:3.5.20-17.el7_9.7
fixed
RHEL 9
7:5.2-1.el9_0.1
fixed
squid-migration-script
RHEL 7
7:3.5.20-17.el7_9.7
fixed
squid-sysvinit
RHEL 7
7:3.5.20-17.el7_9.7
fixed
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
squid
Amazon Linux 1
7:3.5.20-17.43.amzn1
fixed
Amazon Linux 2
7:3.5.20-17.amzn2.7.1
fixed
squid-debuginfo
Amazon Linux 1
7:3.5.20-17.43.amzn1
fixed
Amazon Linux 2
7:3.5.20-17.amzn2.7.1
fixed
squid-migration-script
Amazon Linux 1
7:3.5.20-17.43.amzn1
fixed
Amazon Linux 2
7:3.5.20-17.amzn2.7.1
fixed
squid-sysvinit
Amazon Linux 2
7:3.5.20-17.amzn2.7.1
fixed