CVE-2026-101094

Affinity Document Parsing Heap Over‑Read Leading to Information Disclosure or Crash

Published Oct 9, 2026 CVSS 3.1 · 3.6 Low EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Affinity Document Parsing Heap Over‑Read Leading to Information Disclosure or Crash
Type Values Removed Values Added
Description 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.
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Canva
Published
Updated
Oct 9, 2026, 4:47 PM
Reserved
Sep 28, 2026, 1:31 AM
Status
Awaiting Analysis
Published
Oct 9, 2026, 1:17 PM
Modified
Oct 9, 2026, 5:16 PM