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Ubuntu 25.04: Squid Critical Denial of Service Vulnern USN-7804-1

Ubuntu Large Esm H500
Squid could be made to crash if it received specially crafted network traffic.
==========================================================================
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/6.13-0ubuntu0.24.04.2
  

Ubuntu 25.04: Squid Critical Denial of Service Vulnern USN-7804-1

ubuntu
Calendar Grey October 6, 2025
Dist Ubuntu Esm H88
Squid on Ubuntu is vulnerable to crafted traffic that may cause a crash, triggering need for an urgent update.
Squid could be made to crash if it received specially crafted network traffic.

Summary

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

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7804-1

Package Information

https://launchpad.net/ubuntu/+source/squid/6.13-0ubuntu0.24.04.2

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