CVE-2026-59156: CWE-674: Uncontrolled Recursion in AcademySoftwareFoundation OpenImageIO
OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.20.0, 3.1.15.0, and 3.2.0.3-beta1, A crafted fits stream containing consecutive 2880-byte header blocks without the mandatory end keyword makes fitsinput::read_fits_header() call itself without a depth bound. repeated recursive parsing exhausts the application stack, resulting in denial of service. The affected implementation is identified by src/fits.imageio/fitsinput.cpp, FitsInput::read_fits_header(), END keyword, and 2880-byte FITS header blocks, which define the relevant source path, functions, state, and trigger. This issue is fixed in versions 3.0.20.0, 3.1.15.0, and 3.2.0.3-beta1.
AI Analysis
Technical Summary
OpenImageIO versions before 3.0.20.0, 3.1.15.0, and 3.2.0.3-beta1 contain an uncontrolled recursion vulnerability (CWE-674) in the FitsInput::read_fits_header() function. When processing a specially crafted FITS image stream that includes consecutive 2880-byte header blocks without the required END keyword, the function recursively calls itself without a depth limit. This leads to stack exhaustion and a denial of service condition. The issue is located in src/fits.imageio/fitsinput.cpp and is fixed in the specified versions.
Potential Impact
Successful exploitation results in denial of service by exhausting the application stack through uncontrolled recursion. There is no impact on confidentiality or integrity. The CVSS v3.1 score is 6.5 (medium severity) with network attack vector, low attack complexity, no privileges required, user interaction required, and impact limited to availability.
Mitigation Recommendations
This vulnerability is fixed in OpenImageIO versions 3.0.20.0, 3.1.15.0, and 3.2.0.3-beta1. Users should upgrade to one of these versions or later to remediate the issue. No other mitigation or workaround is indicated.
CVE-2026-59156: CWE-674: Uncontrolled Recursion in AcademySoftwareFoundation OpenImageIO
Description
OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.20.0, 3.1.15.0, and 3.2.0.3-beta1, A crafted fits stream containing consecutive 2880-byte header blocks without the mandatory end keyword makes fitsinput::read_fits_header() call itself without a depth bound. repeated recursive parsing exhausts the application stack, resulting in denial of service. The affected implementation is identified by src/fits.imageio/fitsinput.cpp, FitsInput::read_fits_header(), END keyword, and 2880-byte FITS header blocks, which define the relevant source path, functions, state, and trigger. This issue is fixed in versions 3.0.20.0, 3.1.15.0, and 3.2.0.3-beta1.
CVSS v3.1
Score 6.5medium
Affected software
AcademySoftwareFoundation
OpenImageIO
pkg:github/academysoftwarefoundation/OpenImageIORun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
OpenImageIO versions before 3.0.20.0, 3.1.15.0, and 3.2.0.3-beta1 contain an uncontrolled recursion vulnerability (CWE-674) in the FitsInput::read_fits_header() function. When processing a specially crafted FITS image stream that includes consecutive 2880-byte header blocks without the required END keyword, the function recursively calls itself without a depth limit. This leads to stack exhaustion and a denial of service condition. The issue is located in src/fits.imageio/fitsinput.cpp and is fixed in the specified versions.
Potential Impact
Successful exploitation results in denial of service by exhausting the application stack through uncontrolled recursion. There is no impact on confidentiality or integrity. The CVSS v3.1 score is 6.5 (medium severity) with network attack vector, low attack complexity, no privileges required, user interaction required, and impact limited to availability.
Mitigation Recommendations
This vulnerability is fixed in OpenImageIO versions 3.0.20.0, 3.1.15.0, and 3.2.0.3-beta1. Users should upgrade to one of these versions or later to remediate the issue. No other mitigation or workaround is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-07-02T16:50:27.887Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aad5cfd55bf5e2cf53217f9
Added to database: 09/18/2026, 15:47:09 UTC
Last enriched: 09/18/2026, 16:02:07 UTC
Last updated: 09/18/2026, 22:12:52 UTC
Views: 5
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