---
id: CVE-2026-107168
title: A flaw was found in m17n-lib
summary: >-
  A flaw was found in m17n-lib. By providing crafted input containing an invalid
  UTF-8 character sequence, an attacker can cause the text parsing function to
  enter an infinite loop. This issue leads to sustained high CPU utilization,
  resul…
severity: medium
cvss: 6.2
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-835
vendor: Red Hat
product: m17n-lib
affected:
  - m17n-lib (all versions)
  - m17n-lib
  - m17n-lib (all versions)
  - m17n-lib (all versions)
  - m17n-lib (all versions)
published: '2026-10-07'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T13:17:20.183'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-107168'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2026-107168'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2547409'
    label: secalert@redhat.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-07T13:31:04.597Z'
---

## Overview

A flaw was found in m17n-lib. By providing crafted input containing an invalid UTF-8 character sequence, an attacker can cause the text parsing function to enter an infinite loop. This issue leads to sustained high CPU utilization, resulting in a Denial of Service (DoS) for the affected application.

## Remediation

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