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CVE-2026-113681 Details

Description

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 cineon::Codec::Read that undersizes the scanline buffer, causing a heap out-of-bounds read. Attackers can supply a crafted Cineon file with a huge declared width that wraps the size calculation to zero, so UnPackPacked reads past a 4-byte buffer and crashes the application.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/AcademySoftwareFoundation/OpenImageIO/blob/v3.0.19.0/src/cineon.imageio/libcineon/Codec.cpp#L79-L82	[email protected]
https://github.com/AcademySoftwareFoundation/OpenImageIO/commit/07e3c3e0373551c57e7d8e01353deaa4b3646613	[email protected]
https://github.com/AcademySoftwareFoundation/OpenImageIO/pull/5567	[email protected]
https://github.com/AcademySoftwareFoundation/OpenImageIO/pull/5568	[email protected]
https://www.vulncheck.com/advisories/openimageio-before-3.0.20.0-3.1-x-before-3.1.15.0-and-3.2-x-before-3.2.0.3-beta1-cineon-reader-heap-out-of-bounds-read	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-190	Integer Overflow or Wraparound	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Oct 20, 2026	CVE Modified	CISA-ADP
Oct 20, 2026	New CVE Received	[email protected]