---
id: CVE-2026-107157
title: >-
  Out-of-bounds read vulnerability in QCborValue::fromCbor() impacts Qt
  Framework
summary: >-
  Specially crafted CBOR input passed to QCborValue::fromCbor() in Qt Core can
  cause an out-of-bounds read, which may crash the application and could expose
  information.
severity: low
cvss: 2
cvssVector: >-
  CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/RE:L/U:Amber
cvssSource: cna
cwe:
  - CWE-125
vendor: qt
product: Qt
affected:
  - Qt >= 5.12.0 <= 6.8.8
  - Qt >= 6.9.0 <= 6.11.2
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-26T14:59:49.279269Z'
published: '2026-10-26'
updated: '2026-10-27'
sourceUpdated: '2026-10-27T07:52:45.806Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-107157'
references:
  - url: >-
      https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-107157:
  - url: 'https://codereview.qt-project.org/c/qt/qtbase/+/745719'
tags:
  - cve.org
epss: 0.00147
epssPercentile: 0.0392
ingestedAt: '2026-10-26T14:27:31.836Z'
---

## Overview

Specially crafted CBOR input passed to QCborValue::fromCbor() in Qt Core can cause an out-of-bounds read, which may crash the application and could expose information.

## Affected

- `Qt >= 5.12.0 <= 6.8.8`
- `Qt >= 6.9.0 <= 6.11.2`

## Remediation

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