---
id: CVE-2026-13326
title: >-
  An out-of-bounds read in Qt NFC's language code length parsing allows a
  physically proximate attacker to cause a denial of service or limited memory
  disclosure via a crafted NFC tag.
summary: >-
  An out-of-bounds read in Qt NFC's language code length parsing allows a
  physically proximate attacker to cause a denial of service or limited memory
  disclosure via a crafted NFC tag.
severity: medium
cvss: 6.9
cvssVector: 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N'
cwe:
  - CWE-125
  - CWE-191
vendor: qt
product: qt
affected:
  - qt >= 5.2.0 < 6.8.9
  - qt >= 6.9.0 < 6.11.2
published: '2026-09-11'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T19:21:34.307'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-13326'
references:
  - url: 'https://codereview.qt-project.org/c/qt/qtconnectivity/+/743136'
    label: a59d8014-47c4-4630-ab43-e1b13cbe58e3
tags:
  - nvd
  - cve.org
epss: 0.00153
epssPercentile: 0.03694
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-11T12:08:03.702591Z'
cvssSource: cna
ingestedAt: '2026-09-13T14:49:54.836Z'
---

## Overview

An out-of-bounds read in Qt NFC's language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag.

## Remediation

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