---
id: CVE-2026-107169
title: A flaw was found in m17n-lib
summary: >-
  A flaw was found in m17n-lib. An attacker could provide specially crafted or
  truncated UTF-8 input to trigger an unhandled null pointer dereference during
  text processing. This issue causes the application to crash unexpectedly,
  resultin…
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-476
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: '2026-10-07T15:57:20.793'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-107169'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2026-107169'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2547410'
    label: secalert@redhat.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-07T15:36:04.055Z'
---

## Overview

A flaw was found in m17n-lib. An attacker could provide specially crafted or truncated UTF-8 input to trigger an unhandled null pointer dereference during text processing. This issue causes the application to crash unexpectedly, resulting in a Denial of Service (DoS).

## Remediation

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