CVE-2026-59156: 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…

PriorityP432medium6.5CVSS 3.1

AVNACLPRNUIRSUCNINAH

EPSS

0.36%

28.9th percentile

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

7 ranges

Vendor	Product	Version range	Fixed in
academysoftwarefoundation	openimageio	< 3.0.20.0	3.0.20.0
academysoftwarefoundation	openimageio	—	—
academysoftwarefoundation	openimageio	—	—
openimageio	openimageio	< 3.0.20.0	3.0.20.0
openimageio	openimageio	—	—
openimageio	openimageio	—	—
openimageio	openimageio	3.1.0.0 – 3.1.15.0	—

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