CVE-2025-64181

CVE-2025-64181 is a unknown severity vulnerability affecting the affected product.

Description: OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.3.0 through 3.3.5 and 3.4.0 through 3.4.2, while fuzzing `openexr_exrcheck_fuzzer`, Valgrind reports a conditional branch depending on uninitialized data inside `generic_unpack`. This indicates a use of uninitialized memory. The issue can result […]

Affected Versions:
❌ Vulnerable: 3.3.0 - 3.3.5
✅ Safe: ≥ 3.3.6

Exploit Difficulty: HARD
⏱️ Time to exploit: > 4 hours
🛠️ Required skills: Advanced security expertise
💰 Public exploits: Rare or not public

How to Fix:


- Check if you're running the affected product
- Verify version (vulnerable: 3.3.0 - 3.3.5)


- Update to ≥ 3.3.6 or later
- If patching is not immediately possible: restrict network exposure, apply least-privilege access


- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)


- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations