CVE-2025-12495: Academy Software Foundation OpenEXR EXR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

Published Dec 23, 2025
·
Updated

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. Was ZDI-CAN-27946.

Affected Software

3 affected components
Academy Software Foundation OpenEXR
Academy Software Foundation OpenEXR
OpenEXR OpenEXR<3.4.3

Event History

Dec 23, 2025
CVE Published
via MITRE·09:41 PM
Data Sourced
via MITRE·09:41 PM
DescriptionSeverityWeakness
Advisory Published
via ZDI·09:49 PM
Data Sourced
via ZDI·09:49 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-12495?

CVE-2025-12495 is considered to be a high severity vulnerability due to the potential for remote code execution.

2

How do I fix CVE-2025-12495?

To fix CVE-2025-12495, upgrade to the patched version of Academy Software Foundation OpenEXR as recommended by the vendor.

3

What is the exploitability of CVE-2025-12495?

CVE-2025-12495 can be exploited by remote attackers who are able to cause a heap-based buffer overflow.

4

What are the potential impacts of CVE-2025-12495?

The potential impacts of CVE-2025-12495 include arbitrary code execution and possible compromise of the affected system.

5

What versions of OpenEXR are affected by CVE-2025-12495?

CVE-2025-12495 affects all vulnerable installations of Academy Software Foundation OpenEXR prior to the release of the security update.

Contact

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