CVE-2026-43906: CWE-122: Heap-based Buffer Overflow in AcademySoftwareFoundation OpenImageIO
A heap-based buffer overflow vulnerability exists in the HEIF decoder of AcademySoftwareFoundation's OpenImageIO prior to versions 3.0.18.0 and 3.1.13.0. This flaw allows out-of-bounds writes triggered by crafted images with subimage metadata mismatches, potentially causing memory corruption and enabling code execution. The vulnerability is addressed in OpenImageIO versions 3.0.
AI Analysis
Technical Summary
CVE-2026-43906 is a heap-based buffer overflow vulnerability (CWE-122) in the HEIF image decoder component of OpenImageIO, a toolset for handling image files in VFX and animation workflows. Versions before 3.0.18.0 and between 3.1.4.0-beta and 3.1.13.0 are affected. The vulnerability arises from improper handling of subimage metadata, allowing crafted HEIF images to cause out-of-bounds writes on the heap. This can lead to memory corruption and potentially arbitrary code execution. The issue is fixed in OpenImageIO versions 3.0.18.0 and 3.1.13.0.
Potential Impact
Successful exploitation can result in memory corruption and potentially arbitrary code execution when processing malicious HEIF images. The CVSS 4.0 base score is 8.5 (high severity), reflecting the local attack vector with low complexity, no privileges required, and user interaction needed. The vulnerability affects confidentiality, integrity, and availability with high impact.
Mitigation Recommendations
A fix is available in OpenImageIO versions 3.0.18.0 and 3.1.13.0. Users should upgrade to these or later versions to remediate this vulnerability. No vendor advisory content contradicts this; therefore, upgrading is the recommended mitigation.
CVE-2026-43906: CWE-122: Heap-based Buffer Overflow in AcademySoftwareFoundation OpenImageIO
Description
A heap-based buffer overflow vulnerability exists in the HEIF decoder of AcademySoftwareFoundation's OpenImageIO prior to versions 3.0.18.0 and 3.1.13.0. This flaw allows out-of-bounds writes triggered by crafted images with subimage metadata mismatches, potentially causing memory corruption and enabling code execution. The vulnerability is addressed in OpenImageIO versions 3.0.
CVSS v4.0
Score 8.5high
Affected software
pkg:github/academysoftwarefoundation/OpenImageIORun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-43906 is a heap-based buffer overflow vulnerability (CWE-122) in the HEIF image decoder component of OpenImageIO, a toolset for handling image files in VFX and animation workflows. Versions before 3.0.18.0 and between 3.1.4.0-beta and 3.1.13.0 are affected. The vulnerability arises from improper handling of subimage metadata, allowing crafted HEIF images to cause out-of-bounds writes on the heap. This can lead to memory corruption and potentially arbitrary code execution. The issue is fixed in OpenImageIO versions 3.0.18.0 and 3.1.13.0.
Potential Impact
Successful exploitation can result in memory corruption and potentially arbitrary code execution when processing malicious HEIF images. The CVSS 4.0 base score is 8.5 (high severity), reflecting the local attack vector with low complexity, no privileges required, and user interaction needed. The vulnerability affects confidentiality, integrity, and availability with high impact.
Mitigation Recommendations
A fix is available in OpenImageIO versions 3.0.18.0 and 3.1.13.0. Users should upgrade to these or later versions to remediate this vulnerability. No vendor advisory content contradicts this; therefore, upgrading is the recommended mitigation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-04T16:11:33.086Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a062489ec166c07b00b4bd9
Added to database: 05/14/2026, 19:37:45 UTC
Last enriched: 05/22/2026, 15:36:53 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 64
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