---
id: GHSA-p3hm-x653-5rc6
title: >-
  Duplicate Advisory: ip-address: Address6 matches a zone identifier in
  quadratic time ahead of its length limit, allowing a single long string to
  stall the process
summary: >-
  Duplicate Advisory: ip-address: Address6 matches a zone identifier in
  quadratic time ahead of its length limit, allowing a single long string to
  stall the process
severity: medium
cwe:
  - CWE-1333
vendor: ip-address
product: ip-address
ecosystem: npm
affected:
  - ip-address <= 10.7.3
published: '2026-10-18'
updated: '2026-10-22'
sourceUpdated: '2026-10-22T16:19:30Z'
source: GHSA
sourceUrl: 'https://github.com/advisories/GHSA-p3hm-x653-5rc6'
references:
  - url: >-
      https://github.com/beaugunderson/ip-address/security/advisories/GHSA-rxp7-6hxx-x8q5
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-111997'
  - url: 'https://github.com/advisories/GHSA-p3hm-x653-5rc6'
tags:
  - ghsa
  - npm
ingestedAt: '2026-10-22T22:00:50.256Z'
---

## Overview

## Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-rxp7-6hxx-x8q5. This link is maintained to preserve external references.

## Original Description
ip-address before 10.7.4 allows a denial of service (CPU consumption from quadratic complexity, and application stall) via many % characters in input reaching a function call that uses the Address6 constructor.

## Affected packages

- `ip-address <= 10.7.3`

## Remediation

Refer to the advisory for the patched release.
