🛡️ CVE-2025-66633 — affinity

🟡 CVSS 6.1 — Medium ⚠️ Exploit Public CWE-125 NVD
6.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

An out-of-bounds read vulnerability exists in the EMF functionality of Canva Affinity. By using a specially crafted EMF file, an attacker could exploit this vulnerability to perform an out-of-bounds read, potentially leading to the disclosure of sensitive information.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability low.

Weakness class

CVE-2025-66633 is classified as CWE-125: Out-of-bounds Read. The code reads past the limits of a buffer, exposing adjacent memory contents or crashing the process.

Affected software

CVE-2025-66633 is recorded against 1 package.

  • affinity (fixed in 3.1.0)

Timeline and source

Published on 17 March 2026 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

talosintelligence.com
trust.canva.com
www.talosintelligence.com

Details

Severity MEDIUM
CVSS Score 6.1
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L
CWE CWE-125
Public Exploit ⚠️ Yes
Source NVD
Published 2026-03-17
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
affinity — 3.1.0

Similar Threats

Exploit Protection

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CVE-2025-66633 carries CVSS 6.1 Medium rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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