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CVE-2021-33620

Published: 28 May 2021

Squid before 4.15 and 5.x before 5.0.6 allows remote servers to cause a denial of service (affecting availability to all clients) via an HTTP response. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent by the server.

Priority

Medium

CVSS 3 base score: 6.5

Status

Package Release Status
squid
Launchpad, Ubuntu, Debian
bionic Does not exist

focal
Released (4.10-1ubuntu1.4)
groovy
Released (4.13-1ubuntu2.2)
hirsute
Released (4.13-1ubuntu4.1)
impish
Released (4.13-10ubuntu1)
jammy
Released (4.13-10ubuntu1)
kinetic
Released (4.13-10ubuntu1)
trusty Does not exist

upstream
Released (4.15,4.13-10)
xenial Does not exist

Patches:
upstream: http://www.squid-cache.org/Versions/v4/changesets/squid-4-1e05a85bd28c22c9ca5d3ac9f5e86d6269ec0a8c.patch
upstream: http://www.squid-cache.org/Versions/v5/changesets/squid-5-8af775ed98bfd610f9ce762fe177e01b2675588c.patch
upstream: https://github.com/squid-cache/squid/commit/1e05a85bd28c22c9ca5d3ac9f5e86d6269ec0a8c
squid3
Launchpad, Ubuntu, Debian
bionic
Released (3.5.27-1ubuntu1.11)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Needs triage

xenial Needs triage