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Ubuntu 25.10 Net-SNMP Important Denial of Service Vulnerability USN-7944-1

ubuntu
Calendar Grey January 7, 2026
Dist Ubuntu Esm H88
A security advisory for Ubuntu regarding a Net-SNMP issue that could lead to a denial of service from crafted inputs.
Net-SNMP could be made to crash if it received specially crafted input.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - Ubuntu 25.04 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: Net-SNMP could be made to crash if it received specially crafted input. Software Description: - net-snmp: SNMP (Simple Network Management Protocol) server and applications Details: Bahae Bahrini discovered that Net-SNMP could be made to write out of bounds. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu vulnerability important Net-SNMP

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 libsnmp40t64 5.9.4+dfsg-2ubuntu2.1 snmp 5.9.4+dfsg-2ubuntu2.1 snmpd 5.9.4+dfsg-2ubuntu2.1 Ubuntu 25.04 libsnmp40t64 5.9.4+dfsg-1.1ubuntu7.1 snmp 5.9.4+dfsg-1.1ubuntu7.1 snmpd 5.9.4+dfsg-1.1ubuntu7.1 Ubuntu 24.04 LTS libsnmp40t64 5.9.4+dfsg-1.1ubuntu3.2 snmp 5.9.4+dfsg-1.1ubuntu3.2 snmpd 5.9.4+dfsg-1.1ubuntu3.2 Ubuntu 22.04 LTS libsnmp40 5.9.1+dfsg-1ubuntu2.9 snmp 5.9.1+dfsg-1ubuntu2.9 snmpd 5.9.1+dfsg-1ubuntu2.9 Ubuntu 20.04 LTS libsnmp35 5.8+dfsg-2ubuntu2.9+esm2 Available with Ubuntu Pro snmp 5.8+dfsg-2ubuntu2.9+esm2 Available with Ubuntu Pro snmpd 5.8+dfsg-2ubuntu2.9+esm2 Available with Ubuntu Pro Ubuntu 18.04 LTS libsnmp30 5.7.3+dfsg-1.8ubuntu3.8+esm1 Available with Ubuntu Pro snmp 5.7.3+dfsg-1.8ubuntu3.8+esm1 Available with Ubuntu Pro snmpd 5.7.3+dfsg-1.8ubuntu3.8+esm1 Available with Ubuntu Pro Ubuntu 16.04 LTS libsnmp30 5.7.3+dfsg-1ubuntu4.6+esm2 Available with Ubuntu Pro snmp 5.7.3+dfsg-1ubuntu4.6+esm2 Available with Ubuntu Pro snmpd 5.7.3+dfsg-1ubuntu4.6+esm2 Available with Ubuntu Pro Ubuntu 14.04 LTS libsnmp30 5.7.2~dfsg-8.1ubuntu3.3+esm4 Available with Ubuntu Pro snmp 5.7.2~dfsg-8.1ubuntu3.3+esm4 Available with Ubuntu Pro snmpd 5.7.2~dfsg-8.1ubuntu3.3+esm4 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-7944-1

CVE-2025-68615

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7944-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu vulnerability important Net-SNMP

Package Information

https://launchpad.net/ubuntu/+source/net-snmp/5.9.1+dfsg-1ubuntu2.9

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