---
id: CVE-2026-103220
title: >-
  The Affinity by Canva application before 3.3.1 (October 2026 release) did not
  perform adequate bounds checking when parsing raster image data in Affinity
  document files, leading to an out-of-bounds read and the dereference of an
  untruste…
summary: >-
  The Affinity by Canva application before 3.3.1 (October 2026 release) did not
  perform adequate bounds checking when parsing raster image data in Affinity
  document files, leading to an out-of-bounds read and the dereference of an
  untruste…
severity: medium
cvss: 4.5
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L'
cwe:
  - CWE-129
published: '2026-10-09'
updated: '2026-10-09'
sourceUpdated: '2026-10-09T13:17:07.330'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-103220'
references:
  - url: 'https://trust.canva.com?tcuUid=1998378a-9134-47e9-b761-7a49d5fd6bfb'
    label: 61adb53e-e4b3-47f7-8a93-4717c9e77dc6
tags:
  - nvd
ingestedAt: '2026-10-09T13:58:52.539Z'
---

## Overview

The Affinity by Canva application before 3.3.1 (October 2026 release) did not perform adequate bounds checking when parsing raster image data in Affinity document files, leading to an out-of-bounds read and the dereference of an untrusted pointer. A threat actor could craft an Affinity document that, when opened by a user in Affinity, could result in memory corruption or an application crash.

## Remediation

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