AcademySoftwareFoundation OpenImageIO up to 3.0.18.0/3.1.13.0 out-of-bounds write

Summaryinfo

A vulnerability was found in AcademySoftwareFoundation OpenImageIO up to 3.0.18.0/3.1.13.0 and classified as critical. This affects an unknown function. Executing a manipulation can lead to out-of-bounds write. This vulnerability is handled as CVE-2026-43904. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in AcademySoftwareFoundation OpenImageIO up to 3.0.18.0/3.1.13.0. It has been declared as critical. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.18.0 and 3.1.13.0, softimageinput.cpp:469 (mixed RLE) and :345 (pure RLE) do not clamp the run length to remaining scanline width before writing pixels. The raw packet path (line 403) correctly clamps with std::min, but RLE paths skip this check. A crafted .pic file causes heap overflow up to 65535 bytes. This vulnerability is fixed in 3.0.18.0 and 3.1.13.0.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-43904 since 05/04/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 314947 (Linux Distros Unpatched Vulnerability : CVE-2026-43904), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.0.18.0 or 3.1.13.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (314947) and EUVD (EUVD-2026-30392). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• AcademySoftwareFoundation

Name

• OpenImageIO

Version

• 3.0.0
• 3.0.1
• 3.0.2
• 3.0.3
• 3.0.4
• 3.0.5
• 3.0.6
• 3.0.7
• 3.0.8
• 3.0.9
• 3.0.10
• 3.0.11
• 3.0.12
• 3.0.13
• 3.0.14
• 3.0.15
• 3.0.16
• 3.0.17
• 3.0.18.0
• 3.1.0
• 3.1.1
• 3.1.2
• 3.1.3
• 3.1.4
• 3.1.5
• 3.1.6
• 3.1.7
• 3.1.8
• 3.1.9
• 3.1.10
• 3.1.11
• 3.1.12
• 3.1.13.0

License

• open-source

Website

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

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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