---
id: CVE-2019-11360
title: >-
  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
summary: >-
  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 x…
severity: medium
cvss: 4.2
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H'
cwe:
  - CWE-787
  - CWE-120
vendor: netfilter
product: iptables
affected:
  - iptables = 1.8.2
published: '2019-07-12'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T07:16:45.037'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2019-11360'
references:
  - url: >-
      https://0day.work/cve-2019-11360-bufferoverflow-in-iptables-restore-v1-8-2/
    label: cve@mitre.org
  - url: >-
      https://git.netfilter.org/iptables/commit/iptables/xshared.c?id=2ae1099a42e6a0f06de305ca13a842ac83d4683e
    label: cve@mitre.org
  - url: >-
      https://0day.work/cve-2019-11360-bufferoverflow-in-iptables-restore-v1-8-2/
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://git.netfilter.org/iptables/commit/iptables/xshared.c?id=2ae1099a42e6a0f06de305ca13a842ac83d4683e
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-398330.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-11360.json
  - url: 'https://access.redhat.com/security/cve/CVE-2019-11360'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=1927909'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2019-11360'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2019-11360'
tags:
  - nvd
  - csaf
  - vex
  - red-hat
  - cve.org
epss: 0.02239
epssPercentile: 0.82673
ingestedAt: '2026-10-14T07:21:04.816Z'
---

## Overview

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.

## Affected

- `iptables = 1.8.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7 · no fix planned: Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7 · updated 2026-10-14 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-11360.json)