Advisory Published

USN-6500-2: Squid vulnerabilities

First published: Mon Dec 11 2023(Updated: )

USN-6500-1 fixed several vulnerabilities in Squid. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: Joshua Rogers discovered that Squid incorrectly handled the Gopher protocol. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. Gopher support has been disabled in this update. (CVE-2023-46728) Joshua Rogers discovered that Squid incorrectly handled HTTP Digest Authentication. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2023-46847)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/squid<3.5.27-1ubuntu1.14+esm1
3.5.27-1ubuntu1.14+esm1
Ubuntu Ubuntu=18.04
All of
ubuntu/squid3<3.5.27-1ubuntu1.14+esm1
3.5.27-1ubuntu1.14+esm1
Ubuntu Ubuntu=18.04
All of
ubuntu/squid<3.5.12-1ubuntu7.16+esm2
3.5.12-1ubuntu7.16+esm2
Ubuntu Ubuntu=16.04
All of
ubuntu/squid3<3.5.12-1ubuntu7.16+esm2
3.5.12-1ubuntu7.16+esm2
Ubuntu Ubuntu=16.04

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Child vulnerabilities

(Contains the following vulnerabilities)

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