# CVE-2026-103220: Affinity by Canva out-of-bounds read in raster image parsing

Source: https://junglewise.ai/threats/cve-2026-103220-the-affinity-by-canva-application-before-3-3-1-october-2026  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-09. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-103220 · Severity: medium · CVSS 4.5 · Published 2026-10-09

Affinity by Canva is a design and document editing application used by millions to create visual content. A flaw in how it processes raster image data within Affinity documents could allow a malicious document to crash the application or cause memory corruption when opened by a user.

Technologies: [Canva Affinity](https://junglewise.ai/threats/technologies/affinity). Vendors: [Canva](https://junglewise.ai/threats/vendors/canva).

## Quick answers

**Is CVE-2026-103220 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-103220 being exploited in the wild.

**How severe is CVE-2026-103220?** Medium severity, with a CVSS score of 4.5, published 9 October 2026.

**Which products and versions are affected?** Canva Affinity before 3.3.1.

**Is there a fix for CVE-2026-103220?** Yes: fixed in 3.3.1 (October 2026 release). Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-103220 attacked?** It is attacked with local access, in a software library.

**Am I affected by CVE-2026-103220?** Check whether you run Canva Affinity at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 3.3.1 (October 2026 release)

## Technical details

The vulnerability is an out-of-bounds read resulting from inadequate bounds checking during raster image data parsing in Affinity document files, coupled with dereference of an untrusted pointer. An attacker can craft a malicious Affinity document to trigger the flaw when a user opens it locally, causing memory corruption or application crash. The vulnerability is fixed in version 3.3.1 (October 2026 release).

## Affected products

- Canva Affinity before 3.3.1

## Timeline

- 2026-10-09: disclosed

## References

- [https://trust.canva.com/?tcuUid=1998378a-9134-47e9-b761-7a49d5fd6bfb](https://trust.canva.com/?tcuUid=1998378a-9134-47e9-b761-7a49d5fd6bfb)

## Related threats

- [Affinity by Canva integer overflow in QuickLook thumbnail generation](https://junglewise.ai/threats/cve-2026-96396-the-affinity-by-canva-application-for-macos-before-3-3-1-october)
- [Affinity by Canva stack buffer overflow in document parsing](https://junglewise.ai/threats/cve-2026-81546-affinity-by-canva-stack-buffer-overflow-in-document-parsing)