AcademySoftwareFoundation OpenEXR EXR File Parser heap-based overflow

Summaryinfo

A vulnerability identified as critical has been detected in AcademySoftwareFoundation OpenEXR. This affects an unknown part of the component EXR File Parser. Performing a manipulation results in heap-based overflow. This vulnerability was named CVE-2025-12495. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in AcademySoftwareFoundation OpenEXR (affected version not known). This affects some unknown functionality of the component EXR File Parser. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2025-12495. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 278610 (openSUSE 16 Security Update : openexr (openSUSE-SU-2025-20148-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (278610) and EUVD (EUVD-2025-204964). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• AcademySoftwareFoundation

Name

• OpenEXR

License

• open-source

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Be aware that VulDB is the high quality source for vulnerability data.

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