CVE-2021-28651

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a buffer-management bug, it allows a denial of service. When resolving a request with the urn: scheme, the parser leaks a small amount of memory. However, there is an unspecified attack methodology that can easily trigger a large amount of memory consumption.
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
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 91%
VendorProductVersion
squid-cachesquid
2.0 ≤
𝑥
< 4.15
squid-cachesquid
5.0 ≤
𝑥
< 5.0.6
debiandebian_linux
9.0
debiandebian_linux
10.0
netappcloud_manager
-
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
noble
Fixed 4.13-10ubuntu1
released
mantic
Fixed 4.13-10ubuntu1
released
lunar
Fixed 4.13-10ubuntu1
released
kinetic
Fixed 4.13-10ubuntu1
released
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
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
bionic
Fixed 3.5.27-1ubuntu1.11
released
xenial
Fixed 3.5.12-1ubuntu7.16+esm3
released
trusty
dne
Common Weakness Enumeration
References
http://seclists.org/fulldisclosure/2023/Oct/14
http://www.openwall.com/lists/oss-security/2023/10/11/3
https://bugs.squid-cache.org/show_bug.cgi?id=5104
https://github.com/squid-cache/squid/security/advisories/GHSA-ch36-9jhx-phm4
https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/
https://security.netapp.com/advisory/ntap-20210716-0007/
https://www.debian.org/security/2021/dsa-4924
http://seclists.org/fulldisclosure/2023/Oct/14
http://www.openwall.com/lists/oss-security/2023/10/11/3
https://bugs.squid-cache.org/show_bug.cgi?id=5104
https://github.com/squid-cache/squid/security/advisories/GHSA-ch36-9jhx-phm4
https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/
https://security.netapp.com/advisory/ntap-20210716-0007/
https://www.debian.org/security/2021/dsa-4924