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CVE-2021-31806

Published: 27 May 2021

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing.

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-e7cf864f938f24eea8af0692c04d16790983c823.patch
upstream: https://github.com/squid-cache/squid/commit/e7cf864f938f24eea8af0692c04d16790983c823
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