CVE-2025-65119
📋 TL;DR
An out-of-bounds read vulnerability in Canva Affinity's EMF file processing allows attackers to read memory beyond allocated buffers via specially crafted EMF files. This could lead to sensitive information disclosure. Users of Affinity software who process untrusted EMF files are affected.
💻 Affected Systems
- Canva Affinity software with EMF functionality
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Memory disclosure leading to exposure of sensitive data like credentials, encryption keys, or other application secrets stored in memory
Likely Case
Application crash or disclosure of non-sensitive memory contents
If Mitigated
No impact with proper input validation and memory protection controls
🎯 Exploit Status
Requires user to open malicious EMF file; no authentication bypass needed
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific version
Vendor Advisory: https://trust.canva.com/?tcuUid=1f728b0d-17f3-4c9c-97e9-6662b769eb62
Restart Required: Yes
Instructions:
1. Visit Canva's security advisory page
2. Download and install the latest Affinity update
3. Restart the application
🔧 Temporary Workarounds
Disable EMF file processing
allPrevent Affinity from processing EMF files
Use file type restrictions
allConfigure system to block EMF files from untrusted sources
🧯 If You Can't Patch
- Implement application allowlisting to restrict which applications can open EMF files
- Use network segmentation to isolate systems running vulnerable versions
🔍 How to Verify
Check if Vulnerable:
Check Affinity version against vendor advisory; if pre-patch version, vulnerableCheck Version:
Check within Affinity application settings or about dialogVerify Fix Applied:
Verify Affinity version matches or exceeds patched version in vendor advisory📡 Detection & Monitoring
Log Indicators:
- Application crashes when processing EMF files
- Unusual memory access patterns
Network Indicators:
- Downloads of EMF files from untrusted sources
SIEM Query:
Search for EMF file extensions in download logs or application crash events