OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation
Description
OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation
AI Analyst Comment
Remediation
Apply vendor security updates immediately. Monitor for exploitation attempts and review access logs.
---METADATA---
VENDOR: Academy Software Foundation
PRODUCT: OpenImageIO
AFFECTED_VERSIONS: < 3.0.18.0, >= 3.1.4.0-beta, < 3.1.13.0
CONFIDENCE: high
MISSING: none
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Description Summary:
An integer overflow vulnerability in OpenImageIO allows for potential memory corruption when processing malformed image files, leading to a crash or potential arbitrary code execution.
Executive Summary:
A critical integer overflow vulnerability exists in Academy Software Foundation OpenImageIO, which could allow an attacker to achieve total system impact via maliciously crafted image files.
Vulnerability Details
CVE-ID: CVE-2026-43905
Affected Software: Academy Software Foundation OpenImageIO
Affected Versions: < 3.0.18.0, >= 3.1.4.0-beta, < 3.1.13.0
Vulnerability: This vulnerability is an integer overflow (CWE-190) occurring during the parsing of image files. The attack requires local access and user interaction (opening a malicious file), and the attacker does not require specific privileges.
Business Impact
Successful exploitation of this integer overflow can lead to a complete compromise of the application context, potentially resulting in unauthorized data access or system instability. While the CVSS score of 7.8 indicates a high severity, the ability to trigger memory corruption poses a significant risk to high-availability VFX and animation production pipelines.
Remediation Plan
Immediate Action: Update OpenImageIO to version 3.0.18.0 or 3.1.13.0, or the latest available stable release, to patch the integer overflow flaw.
Proactive Monitoring: Monitor system logs for unexpected application crashes or memory access violations that may indicate attempts to trigger the overflow.
Compensating Controls: Implement strict input validation or sandboxing for any automated image processing workflows to limit the impact of processing untrusted files.
Exploitation Status
Public Exploit Available: No
Analyst Notes: As of May 16, 2026, there is no confirmed active exploitation in the wild; however, per CISA's SSVC assessment a proof-of-concept exists, so exploitation risk should be treated as credible. The flaw is inherently dangerous as it involves memory management errors in a complex file parsing engine.
Analyst Recommendation
The vulnerability represents a significant risk to the integrity of systems processing visual media. Administrators should prioritize patching OpenImageIO within their development and production environments to neutralize this memory corruption vector.