What is CVE-2019-11360?

CVE-2019-11360 is a medium-severity vulnerability in Netfilter Iptables, classified under Out-of-bounds Write. CVSS score: 4.2/10. Published 2019-07-12.

How severe is CVE-2019-11360?

Medium severity. CVSS v3 base score is 4.2 out of 10.

Buffer overflow in Netfilter Iptables

CVE-2019-11360

A buffer overflow in iptables-restore in netfilter iptables 1.8.2 allows an attacker to (at least) crash the program or potentially gain code execution via a specially crafted iptables-save file. This is related to add_param_to_argv in xshared.c.

Vulnerability class: Buffer Overflow

Published 2019-07-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.018 (77.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Netfilter Iptables — versions 1.8.2

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

0day.work/cve-2019-11360-bufferoverflow-in-iptables-restore-v1-8-2/ (Exploit, Patch, Third Party Advisory)
git.netfilter.org/iptables/commit/iptables/xshared.c (URL Repurposed, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2019-11360?: CVE-2019-11360 is a medium-severity vulnerability in Netfilter Iptables, classified under Out-of-bounds Write. CVSS score: 4.2/10. Published 2019-07-12.
How severe is CVE-2019-11360?: Medium severity. CVSS v3 base score is 4.2 out of 10.