AcademySoftwareFoundation OpenImageIO up to 3.0.18.0/3.1.13.0 HEIF Decoder heap-based overflow

Summaryinfo

A vulnerability, which was classified as critical, has been found in AcademySoftwareFoundation OpenImageIO up to 3.0.18.0/3.1.13.0. Impacted is an unknown function of the component HEIF Decoder. This manipulation causes heap-based overflow. This vulnerability appears as CVE-2026-43906. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in AcademySoftwareFoundation OpenImageIO up to 3.0.18.0/3.1.13.0 and classified as critical. Affected by this vulnerability is an unknown functionality of the component HEIF Decoder. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is 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(). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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, a heap-based buffer overflow in the HEIF decoder of OpenImageIO allows out-of-bounds writes via crafted images due to a subimage metadata mismatch, leading to memory corruption and potential code execution. This vulnerability is fixed in 3.0.18.0 and 3.1.13.0.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-43906 since 05/04/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 314943 (Linux Distros Unpatched Vulnerability : CVE-2026-43906), 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 vulnerability database at Tenable (314943). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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

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