# CVE-2018-18065: libsnmp-base: _set_key in agent/helpers/table_container.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used...

CVE-2018-18065 is fixed in 8 products on 1 platform, first by libsnmp-base 5.7.3+dfsg-1.8ubuntu3.1, released October 7, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-18065
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.1750
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 7, 2018

## Description

_set_key in agent/helpers/table_container.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an authenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libsnmp-base Ubuntu 18.04.6 LTS (bionic) | 5.7.3+dfsg-1.8ubuntu3.1 | [libsnmp-base 5.7.3+dfsg-1.8ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsnmp-base-5.7.3-dfsg-1.8ubuntu3.1.md) | Oct 7, 2018 |
| Linux | libsnmp-perl Ubuntu 18.04.6 LTS (bionic) | 5.7.3+dfsg-1.8ubuntu3.1 | [libsnmp-perl 5.7.3+dfsg-1.8ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsnmp-perl-5.7.3-dfsg-1.8ubuntu3.1.md) | Oct 7, 2018 |
| Linux | libsnmp30 Ubuntu 18.04.6 LTS (bionic) | 5.7.3+dfsg-1.8ubuntu3.1 | [libsnmp30 5.7.3+dfsg-1.8ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsnmp30-5.7.3-dfsg-1.8ubuntu3.1.md) | Oct 7, 2018 |
| Linux | python-netsnmp Ubuntu 18.04.6 LTS (bionic) | 5.7.3+dfsg-1.8ubuntu3.1 | [python-netsnmp 5.7.3+dfsg-1.8ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-netsnmp-5.7.3-dfsg-1.8ubuntu3.1.md) | Oct 7, 2018 |
| Linux | snmp Ubuntu 18.04.6 LTS (bionic) | 5.7.3+dfsg-1.8ubuntu3.1 | [snmp 5.7.3+dfsg-1.8ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snmp-5.7.3-dfsg-1.8ubuntu3.1.md) | Oct 7, 2018 |
| Linux | snmpd Ubuntu 18.04.6 LTS (bionic) | 5.7.3+dfsg-1.8ubuntu3.1 | [snmpd 5.7.3+dfsg-1.8ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snmpd-5.7.3-dfsg-1.8ubuntu3.1.md) | Oct 7, 2018 |
| Linux | snmptrapd Ubuntu 18.04.6 LTS (bionic) | 5.7.3+dfsg-1.8ubuntu3.1 | [snmptrapd 5.7.3+dfsg-1.8ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snmptrapd-5.7.3-dfsg-1.8ubuntu3.1.md) | Oct 7, 2018 |
| Linux | tkmib Ubuntu 18.04.6 LTS (bionic) | 5.7.3+dfsg-1.8ubuntu3.1 | [tkmib 5.7.3+dfsg-1.8ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tkmib-5.7.3-dfsg-1.8ubuntu3.1.md) | Oct 7, 2018 |

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Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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