What is CVE-2018-10244?

CVE-2018-10244 is a critical-severity vulnerability in Oisf Suricata, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2019-04-04.

How severe is CVE-2018-10244?

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

Integer overflow in Oisf Suricata

CVE-2018-10244

Suricata version 4.0.4 incorrectly handles the parsing of an EtherNet/IP PDU. A malformed PDU can cause the parsing code to read beyond the allocated data because DecodeENIPPDU in app-layer-enip-commmon.c has an integer overflow during a length check.

Vulnerability class: Integer Overflow

Published 2019-04-04 · 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: 0.017 (75.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.017 · change: +0.000

Affected products

Oisf Suricata — versions 4.0.4

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

suricata-ids.org/2018/07/18/suricata-4-0-5-available/ (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2018-10244?: CVE-2018-10244 is a critical-severity vulnerability in Oisf Suricata, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2019-04-04.
How severe is CVE-2018-10244?: Critical severity. CVSS v3 base score is 9.8 out of 10.