---
id: CVE-2026-42057
title: >-
  An invalid pointer dereference vulnerability exists in the
  vtkPNGReader::vtkPNGReaderUpdate2 functionality of vtk 9.6
summary: >-
  An invalid pointer dereference vulnerability exists in the
  vtkPNGReader::vtkPNGReaderUpdate2 functionality of vtk 9.6. A specially
  crafted .png file can lead to a denial of service. An attacker can provide a
  malicious file to trigger thi…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cvssSource: cna
cwe:
  - CWE-825
vendor: vtk
product: vtk
affected:
  - vtk 9.6
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-30T17:22:02.474070Z'
published: '2026-10-29'
updated: '2026-10-30'
sourceUpdated: '2026-10-30T17:22:15.940Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-42057'
references:
  - url: 'https://talosintelligence.com/vulnerability_reports/TALOS-2026-2413'
    label: 'https://talosintelligence.com/vulnerability_reports/TALOS-2026-2413'
  - url: 'https://vtk.org/download/'
    label: 'https://vtk.org/download/'
tags:
  - cve.org
epss: 0.00278
epssPercentile: 0.20405
ingestedAt: '2026-11-05T16:24:31.256Z'
---

## Overview

An invalid pointer dereference vulnerability exists in the vtkPNGReader::vtkPNGReaderUpdate2 functionality of vtk 9.6. A specially crafted .png file can lead to a denial of service. An attacker can provide a malicious file to trigger this vulnerability.

## Affected

- `vtk 9.6`

## Remediation

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