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Squid vulnerabilities

Description

## Releases * Ubuntu 21.04 * Ubuntu 20.10 * Ubuntu 20.04 LTS * Ubuntu 18.04 LTS ## Packages * squid \- Web proxy cache server * squid3 \- Web proxy cache server Joshua Rogers discovered that Squid incorrectly handled requests with the urn: scheme. A remote attacker could possibly use this issue to cause Squid to consume resources, leading to a denial of service. (CVE-2021-28651) Joshua Rogers discovered that Squid incorrectly handled requests to the Cache Manager API. A remote attacker with access privileges could possibly use this issue to cause Squid to consume resources, leading to a denial of service. This issue was only addressed in Ubuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2021-28652) Joshua Rogers discovered that Squid incorrectly handled certain response headers. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. This issue was only affected Ubuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2021-28662) Joshua Rogers discovered that Squid incorrectly handled range request processing. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2021-31806, CVE-2021-31807, CVE-2021-31808) Joshua Rogers discovered that Squid incorrectly handled certain HTTP responses. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2021-33620)


Affected Package


OS OS Version Package Name Package Version
Ubuntu 21.04 squid 4.13-1ubuntu4.1
Ubuntu 20.10 squid 4.13-1ubuntu2.2
Ubuntu 20.04 squid 4.10-1ubuntu1.4
Ubuntu 20.04 squid-cgi 4.10-1ubuntu1.4
Ubuntu 20.04 squid-cgi-dbgsym 4.10-1ubuntu1.4
Ubuntu 20.04 squid-common 4.10-1ubuntu1.4
Ubuntu 20.04 squid-dbgsym 4.10-1ubuntu1.4
Ubuntu 20.04 squid-purge 4.10-1ubuntu1.4
Ubuntu 20.04 squid-purge-dbgsym 4.10-1ubuntu1.4
Ubuntu 20.04 squidclient 4.10-1ubuntu1.4
Ubuntu 20.04 squidclient-dbgsym 4.10-1ubuntu1.4
Ubuntu 18.04 squid 3.5.27-1ubuntu1.11
Ubuntu 18.04 squid-cgi 3.5.27-1ubuntu1.11
Ubuntu 18.04 squid-common 3.5.27-1ubuntu1.11
Ubuntu 18.04 squid-dbg 3.5.27-1ubuntu1.11
Ubuntu 18.04 squid-purge 3.5.27-1ubuntu1.11
Ubuntu 18.04 squid3 3.5.27-1ubuntu1.11
Ubuntu 18.04 squidclient 3.5.27-1ubuntu1.11

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