AcademySoftwareFoundation OpenEXR up to 3.2.4/3.3.5/3.4.2 EXR File Parser buffer overflow

Summaryinfo

A vulnerability identified as critical has been detected in AcademySoftwareFoundation OpenEXR up to 3.2.4/3.3.5/3.4.2. Affected is an unknown function of the component EXR File Parser. The manipulation leads to buffer overflow. This vulnerability is documented as CVE-2025-64182. The attack needs to be performed locally. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in AcademySoftwareFoundation OpenEXR up to 3.2.4/3.3.5/3.4.2 and classified as critical. This issue affects some unknown functionality of the component EXR File Parser. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.2.0 through 3.2.4, 3.3.0 through 3.3.5, and 3.4.0 through 3.4.2, a memory safety bug in the legacy OpenEXR Python adapter (the deprecated OpenEXR.InputFile wrapper) allow crashes and likely code execution when opening attacker-controlled EXR files or when passing crafted Python objects. Integer overflow and unchecked allocation in InputFile.channel() and InputFile.channels() can lead to heap overflow (32 bit) or a NULL deref (64 bit). Versions 3.2.5, 3.3.6, and 3.4.3 contain a patch for the issue.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2025-64182 since 10/28/2025. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 274728 (Linux Distros Unpatched Vulnerability : CVE-2025-64182), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.2.5, 3.3.6 or 3.4.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (274728). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• AcademySoftwareFoundation

Name

• OpenEXR

Version

• 3.2.0
• 3.2.1
• 3.2.2
• 3.2.3
• 3.2.4
• 3.3.0
• 3.3.1
• 3.3.2
• 3.3.3
• 3.3.4
• 3.3.5
• 3.4.0
• 3.4.1
• 3.4.2

License

• open-source

Website

• Product: https://github.com/AcademySoftwareFoundation/openexr/

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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