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CVE-2026-41142— OpenEXR is Vulnerable to Integer overflow in ImageChannel::resize leads to heap OOB write via OpenEXRUtil public API

Quick assessment

Affected
AcademySoftwareFoundation openexr
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenEXR是Academy Software Foundation开源的一种高动态范围图像（HDR）文件格式的开放标准。 OpenEXR存在输入验证错误漏洞，该漏洞源于ImageChannel::resize中存在整数溢出导致堆越界写入。以下版本受到影响：3.0.0至3.2.9之前版本、3.3.0至3.3.11之前版本和3.4.0至3.4.11之前版本。

CVSS 8.8 · High EPSS 0.73% · P53

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 3

VendorProduct Version RangeStatus
AcademySoftwareFoundation openexr >= 3.0.0, < 3.2.9 affected
>= 3.3.0, < 3.3.11 affected
>= 3.4.0, < 3.4.11 affected
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I. Basic Information for CVE-2026-41142

Vulnerability Information
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Vulnerability Title
OpenEXR is Vulnerable to Integer overflow in ImageChannel::resize leads to heap OOB write via OpenEXRUtil public API
Source: CVE Program / CVE List V5
Vulnerability Description
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From versions 3.0.0 to before 3.2.9, 3.3.0 to before 3.3.11, and 3.4.0 to before 3.4.11, there is an integer overflow in ImageChannel::resize that leads to heap OOB write via OpenEXRUtil public API. This issue has been patched in versions 3.2.9, 3.3.11, and 3.4.11.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
OpenEXR 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenEXR是Academy Software Foundation开源的一种高动态范围图像（HDR）文件格式的开放标准。 OpenEXR存在输入验证错误漏洞，该漏洞源于ImageChannel::resize中存在整数溢出导致堆越界写入。以下版本受到影响：3.0.0至3.2.9之前版本、3.3.0至3.3.11之前版本和3.4.0至3.4.11之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
AcademySoftwareFoundation openexr >= 3.0.0, < 3.2.9 -

II. Public POCs for CVE-2026-41142

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 11998 chars
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III. Intelligence Information for CVE-2026-41142

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Patches & Fixes for CVE-2026-41142 (2)

Vendor Advisories for CVE-2026-41142 (1)

Same Patch Batch · AcademySoftwareFoundation · 2026-05-07 · 3 CVEs total

CVE-2026-42216 8.8 HIGH OpenEXR: Out-of-bounds read in `IDManifest::init()` during prefix expansion
CVE-2026-42217 OpenEXR: Shift exponent overflow in `readVariableLengthInteger()` (`ImfIDManifest.cpp`)

IV. Related Vulnerabilities

Same product: openexr
Same vendor: AcademySoftwareFoundation
Same weakness: CWE-190

V. Comments for CVE-2026-41142

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