OpenImageIO: Unbounded recursion in FITS header parser leads to stack overflow

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-59156
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-18 16:17:06 UTC
Updated2026-09-29 18:57:22 UTC
DescriptionOpenImageIO 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.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 0.003950000 probability, percentile 0.311530000 (date 2026-09-29)

Problem Types: CWE-674 | CWE-674 CWE-674: Uncontrolled Recursion

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
3.1CNADECLARED6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Openimageio Openimageio All All All All
Application Openimageio Openimageio 3.2.0.0 dev All All
Application Openimageio Openimageio 3.2.0.2 dev All All
Application Openimageio Openimageio All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA AcademySoftwareFoundation OpenImageIO affected < 3.0.20.0 Not specified
CNA AcademySoftwareFoundation OpenImageIO affected >= 3.1.0.0, < 3.1.15.0 Not specified
CNA AcademySoftwareFoundation OpenImageIO affected >= 3.2.0.0-dev, < 3.2.0.3-beta1 Not specified

References

ReferenceSourceLinkTags
github.com/AcademySoftwareFoundation/OpenImageIO/pull/5248 [email protected] github.com Issue Tracking, Patch
github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v3.0.20.0 [email protected] github.com Release Notes
github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHS... 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com Exploit, Mitigation, Vendor Advisory
github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v3.1.15.0 [email protected] github.com Release Notes
github.com/AcademySoftwareFoundation/OpenImageIO/commit/b0de7d40d06eb4ab... [email protected] github.com Patch
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