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USN-6728-1: Squid vulnerabilities

10 April 2024

Several security issues were fixed in Squid.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

Packages

  • squid - Web proxy cache server

Details

Joshua Rogers discovered that Squid incorrectly handled collapsed
forwarding. A remote attacker could possibly use this issue to cause Squid
to crash, resulting in a denial of service. This issue only affected Ubuntu
20.04 LTS and Ubuntu 22.04 LTS. (CVE-2023-49288)

Joshua Rogers discovered that Squid incorrectly handled certain structural
elements. A remote attacker could possibly use this issue to cause Squid to
crash, resulting in a denial of service. (CVE-2023-5824)

Joshua Rogers discovered that Squid incorrectly handled Cache Manager error
responses. A remote trusted client can possibly use this issue to cause
Squid to crash, resulting in a denial of service. (CVE-2024-23638)

Joshua Rogers discovered that Squid incorrectly handled the HTTP Chunked
decoder. A remote attacker could possibly use this issue to cause Squid to
stop responding, resulting in a denial of service. (CVE-2024-25111)

Joshua Rogers discovered that Squid incorrectly handled HTTP header
parsing. A remote trusted client can possibly use this issue to cause
Squid to crash, resulting in a denial of service. (CVE-2024-25617)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 23.10
Ubuntu 22.04
Ubuntu 20.04

In general, a standard system update will make all the necessary changes.

Related notices

  • USN-6728-3: squid-purge, squidclient, squid-cgi, squid, squid-common