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USN-6907-1: Squid vulnerability

23 July 2024

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

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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.

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 24.04
Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04

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

References

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Further reading