What is CVE-2018-1000116?

CVE-2018-1000116 is a critical-severity vulnerability in Net-Snmp, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2018-03-07.

How severe is CVE-2018-1000116?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Net-Snmp

CVE-2018-1000116

NET-SNMP version 5.7.2 contains a heap corruption vulnerability in the UDP protocol handler that can result in command execution.

Vulnerability class: Buffer Overflow

Published 2018-03-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.063 (93.4th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.063 · newest: 0.063 · change: 0.000

Affected products

Net-Snmp — versions 5.7.2
Debian Linux — versions 7.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

www.debian.org/security/2018/dsa-4154 (vendor-advisory)
lists.debian.org/debian-lts-announce/2018/03/msg00020.html (mailing-list, Third Party Advisory)
sourceforge.net/p/net-snmp/bugs/2821/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-1000116?: CVE-2018-1000116 is a critical-severity vulnerability in Net-Snmp, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2018-03-07.
How severe is CVE-2018-1000116?: Critical severity. CVSS v3 base score is 9.8 out of 10.