The Affinity by Canva application before 3.3.1 (October 2026 release) did not perform adequate bounds checking when parsing arrays of strings 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.
Advisories

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Fixes

Solution

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Workaround

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History

Fri, 09 Oct 2026 16:15:00 +0000

Type Values Removed Values Added
Title Heap Buffer Over-Read in Affinity Document Parsing

Fri, 09 Oct 2026 13:15:00 +0000

Type Values Removed Values Added
Description The Affinity by Canva application before 3.3.1 (October 2026 release) did not perform adequate bounds checking when parsing arrays of strings 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.
First Time appeared Canva
Canva affinity
Weaknesses CWE-126
CPEs cpe:2.3:a:canva:affinity:*:*:*:*:*:*:*:*
Vendors & Products Canva
Canva affinity
References
Metrics cvssV3_1

{'score': 3.6, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Canva

Published:

Updated: 2026-10-09T16:46:54.098Z

Reserved: 2026-09-28T07:12:04.980Z

Link: CVE-2026-101130

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-09T13:17:07.037

Modified: 2026-10-09T16:33:39.007

Link: CVE-2026-101130

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-09T16:00:10Z

Weaknesses