ZDI-CAN-27947: ZDI-25-990: 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-2025-12839.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-27947?
ZDI-CAN-27947 has been categorized as a vulnerability that allows remote code execution.
How do I fix ZDI-CAN-27947?
To mitigate ZDI-CAN-27947, users should update to the latest version of Academy Software Foundation OpenEXR that addresses this vulnerability.
What impact does ZDI-CAN-27947 have on affected systems?
ZDI-CAN-27947 can allow remote attackers to execute arbitrary code, potentially compromising the entire system.
Is user interaction necessary for ZDI-CAN-27947 exploitation?
Yes, user interaction is required as the target must visit a malicious page or open a harmful file to exploit ZDI-CAN-27947.
Which products are affected by ZDI-CAN-27947?
ZDI-CAN-27947 affects installations of Academy Software Foundation OpenEXR.