1. Ubuntu Security Notices
  2. USN-6907-1

USN-6907-1: Squid vulnerability

Publication date

23 July 2024

Overview

Squid could be made to crash if it processed specially crafted characters.

Releases

Packages

  • squid - Web proxy cache server
  • squid3 - Web proxy cache server

Details

Joshua Rogers discovered that Squid did not properly handle multi-byte
characters during Edge Side Includes (ESI) processing. A remote attacker
could possibly use this issue to cause a memory corruption error, leading
to a denial of service.

Joshua Rogers discovered that Squid did not properly handle multi-byte
characters during Edge Side Includes (ESI) processing. A remote attacker
could possibly use this issue to cause a memory corruption error, leading
to a denial of service.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
24.04 noble squid –  6.6-1ubuntu5.1
22.04 jammy squid –  5.9-0ubuntu0.22.04.2
20.04 focal squid –  4.10-1ubuntu1.13
18.04 bionic squid –  3.5.27-1ubuntu1.14+esm3  
squid3 –  3.5.27-1ubuntu1.14+esm3  
16.04 xenial squid –  3.5.12-1ubuntu7.16+esm4  
squid3 –  3.5.12-1ubuntu7.16+esm4  

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References

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