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[USN-7804-1] Squid vulnerability

Posted on 06 October 2025
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-7804-1
October 06, 2025

squid vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.04
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

Squid could be made to crash if it received specially crafted network
traffic.

Software Description:
- squid: Web proxy cache server

Details:

It was discovered that Squid incorrectly handled certain long SNMP OIDs. A
remote attacker could possibly use this issue to cause Squid to crash,
resulting in a denial of service.

Update instructions:

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

Ubuntu 25.04
squid 6.13-1ubuntu1.1

Ubuntu 24.04 LTS
squid 6.13-0ubuntu0.24.04.2

Ubuntu 22.04 LTS
squid 5.9-0ubuntu0.22.04.3

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

References:
https://ubuntu.com/security/notices/USN-7804-1
CVE-2025-59362

Package Information:
https://launchpad.net/ubuntu/+source/squid/6.13-1ubuntu1.1
https://launchpad.net/ubuntu/+source/squid/6.13-0ubuntu0.24.04.2
https://launchpad.net/ubuntu/+source/squid/5.9-0ubuntu0.22.04.3

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