CVE-2026-96395
Low
Description
The Affinity by Canva app for macOS before 3.3.1 (October 2026 release) did not perform adequate bounds checking when generating QuickLook thumbnails and previews of Affinity document files, leading to an out-of-bounds heap read. A threat actor could craft an Affinity document that, when displayed or previewed by a user in Finder, could disclose the contents of adjacent heap memory, including memory addresses, in the rendered thumbnail or preview image.
SeverityLow
CVSS3.6
Exploit probability—
Product
Canva Affinity
PublishedOct 9, 2026
First seenOct 9, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- canva affinity3.3.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| canva affinity | v < 3.3.1 | 3.3.1 |
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