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5.5
OpenEXR before version 2 can be exploited
published 4 days ago
Summary
The OpenEXR library version earlier than 2 has a security weakness that could let an attacker modify data or cause the software to behave unexpectedly. This may affect any applications that use this library for handling image files. Upgrade to OpenEXR version 2 or newer to protect your systems.
What to do
- Update cleanstart openexr to version 2.4.1-r0.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| CleanStart | cleanstart | openexr |
< 2.4.1-r0 Fix: upgrade to 2.4.1-r0
|
Original advisory text
issue was discovered in OpenEXR before 2
Security vulnerability affects the openexr package. An issue was discovered in OpenEXR before 2.
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Timeline
Published31 Oct 2026
Updated31 Oct 2026
First seen31 Oct 2026
Sources
CLEANSTART-2025-ZY20766 · OSV
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