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
NISTNIST
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
mitreCNA
---
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 92%
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
bullseye
4.13-10+deb11u3
fixed
bullseye (security)
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 5.2-1ubuntu5
released
mantic
Fixed 5.2-1ubuntu5
released
lunar
Fixed 5.2-1ubuntu5
released
kinetic
Fixed 5.2-1ubuntu5
released
jammy
Fixed 5.2-1ubuntu4.1
released
impish
Fixed 4.13-10ubuntu5.1
released
focal
Fixed 4.10-1ubuntu1.6
released
bionic
dne
xenial
dne
trusty
dne
squid3
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
focal
dne
bionic
Fixed 3.5.27-1ubuntu1.13
released
xenial
needed
trusty
dne
Common Weakness Enumeration
References
http://www.openwall.com/lists/oss-security/2023/10/13/1
http://www.openwall.com/lists/oss-security/2023/10/13/10
http://www.openwall.com/lists/oss-security/2023/10/21/1
http://www.squid-cache.org/Versions/v4/changesets/SQUID-2021_7.patch
http://www.squid-cache.org/Versions/v5/changesets/SQUID-2021_7.patch
https://github.com/squid-cache/squid/commit/5e2ea2b13bd98f53e29964ca26bb0d602a8a12b9
https://github.com/squid-cache/squid/security/advisories/GHSA-f5cp-6rh3-284w
https://security-tracker.debian.org/tracker/CVE-2021-46784
https://security.netapp.com/advisory/ntap-20221223-0007/
http://www.openwall.com/lists/oss-security/2023/10/13/1
http://www.openwall.com/lists/oss-security/2023/10/13/10
http://www.openwall.com/lists/oss-security/2023/10/21/1
http://www.squid-cache.org/Versions/v4/changesets/SQUID-2021_7.patch
http://www.squid-cache.org/Versions/v5/changesets/SQUID-2021_7.patch
https://github.com/squid-cache/squid/commit/5e2ea2b13bd98f53e29964ca26bb0d602a8a12b9
https://github.com/squid-cache/squid/security/advisories/GHSA-f5cp-6rh3-284w
https://security-tracker.debian.org/tracker/CVE-2021-46784
https://security.netapp.com/advisory/ntap-20221223-0007/