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3.6

Affinity by Canva can leak data or crash on files

CVE-2026-101094 · published 9 days ago
Summary

The Affinity app from Canva (versions before the October 2026 release) may read beyond its intended memory when it encounters certain malformed text characters in a document. An attacker could create a specially crafted file that, when opened, could reveal nearby memory contents or cause the program to stop working. Update to the latest version of Affinity to protect against this risk.

What to do
  • Update canva affinity to version 3.3.1 or later.
Affected software
VendorProductAffected versions
canva affinity < 3.3.1
Original advisory text
The Affinity by Canva application before 3.3.1 (October 2026 release) did not correctly handle incomplete UTF-8 character sequences when parsing text in Affinity document files, leading to a heap b...
The Affinity by Canva application before 3.3.1 (October 2026 release) did not correctly handle incomplete UTF-8 character sequences when parsing text in Affinity document files, leading to a heap buffer over-read. A threat actor could craft an Affinity document that, when opened by a user in Affinity, could disclose the contents of adjacent heap memory in the document's text or result in an application crash.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
3.6 Low
Exploitation
<1% chance of attack within 30 days
Type
CWE-126Buffer Over-read
Timeline
Published9 Oct 2026
Updated11 Oct 2026
First seen9 Oct 2026
Sources
CVE-2026-101094 · NVD
CVE-2026-101094 · MITRE
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