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6.5 Medium

CVE-2026-59156 OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX /…

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.

Affected products and versions

Product Affected versions Fixed in
OpenImageIO 3.2 3.2.0.0-dev → < 3.2.0.3-beta1 3.2.0.3-beta1
OpenImageIO 3.1 3.1.0.0 → < 3.1.15.0 3.1.15.0
OpenImageIO 3.0 earliest → < 3.0.20.0 3.0.20.0

References

Timeline

  1. Published
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Other CVEs of OpenImageIO

The 23 CVEs of OpenImageIO →
CVE-2026-113681 OpenImageIO before 3.0.20.0, 3.1.x before 3.1.15.0, and 3.2.x before 3.2.0.3-beta1 contains an integer overflow in… 6.8 Medium CVE-2026-65969 OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX /… 5.5 Medium CVE-2026-67549 OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX /… 7.6 High CVE-2026-63638 OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX /… 8.3 High
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