ZDI-CAN-27946: ZDI-25-989: Academy Software Foundation OpenEXR EXR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Academy Software Foundation OpenEXR. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of EXR files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Academy Software Foundation OpenEXR. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2025-12495.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-27946?
The severity of ZDI-CAN-27946 is critical due to the potential for remote code execution.
How do I fix ZDI-CAN-27946?
To fix ZDI-CAN-27946, update Academy Software Foundation OpenEXR to the latest patched version.
What types of attacks are possible with ZDI-CAN-27946?
ZDI-CAN-27946 allows remote attackers to execute arbitrary code on vulnerable installations.
Is user interaction required to exploit ZDI-CAN-27946?
Yes, user interaction is required to exploit ZDI-CAN-27946 by visiting a malicious page or opening a malicious file.
Which software is affected by ZDI-CAN-27946?
ZDI-CAN-27946 affects the Academy Software Foundation OpenEXR software.