CVE-2021-28662

An issue was discovered in Squid 4.x before 4.15 and 5.x before 5.0.6. If a remote server sends a certain response header over HTTP or HTTPS, there is a denial of service. This header can plausibly occur in benign network traffic.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
mitreCNA
---
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 93%
VendorProductVersion
squid-cachesquid
4.0.1 ≤
𝑥
< 4.15
squid-cachesquid
5.0 ≤
𝑥
< 5.0.6
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
squid
bullseye (security)
4.13-10+deb11u3
fixed
bullseye
4.13-10+deb11u3
fixed
bookworm
5.7-2+deb12u2
fixed
bookworm (security)
5.7-2+deb12u2
fixed
sid
6.12-1
fixed
trixie
6.12-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
squid
jammy
Fixed 4.13-10ubuntu1
released
impish
Fixed 4.13-10ubuntu1
released
hirsute
Fixed 4.13-1ubuntu4.1
released
groovy
Fixed 4.13-1ubuntu2.2
released
focal
Fixed 4.10-1ubuntu1.4
released
bionic
dne
xenial
dne
trusty
dne
squid3
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
bionic
not-affected
xenial
not-affected
trusty
dne