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CVE-2025-12840— Academy Software Foundation OpenEXR EXR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

Quick assessment

Affected
Academy Software Foundation OpenEXR
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Academy Software Foundation OpenEXR是美国Academy Software Foundation组织的一套EXR文件读写软件库。 Academy Software Foundation OpenEXR存在安全漏洞，该漏洞源于解析EXR文件时缺乏对用户提供数据长度的验证，可能导致堆缓冲区溢出和远程代码执行。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.19% · P8
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I. Basic Information for CVE-2025-12840

Vulnerability Information
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Vulnerability Title
Academy Software Foundation OpenEXR EXR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Academy Software Foundation OpenEXR EXR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Academy Software Foundation OpenEXR. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of EXR files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-27948.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Academy Software Foundation OpenEXR 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Academy Software Foundation OpenEXR是美国Academy Software Foundation组织的一套EXR文件读写软件库。 Academy Software Foundation OpenEXR存在安全漏洞，该漏洞源于解析EXR文件时缺乏对用户提供数据长度的验证，可能导致堆缓冲区溢出和远程代码执行。
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
Academy Software Foundation OpenEXR 3.4.0 -

II. Public POCs for CVE-2025-12840

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III. Intelligence Information for CVE-2025-12840

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Same Patch Batch · Academy Software Foundation · 2025-12-23 · 3 CVEs total

CVE-2025-12495 Academy Software Foundation OpenEXR EXR File Parsing Heap-based Buffer Overflow Remote Cod
CVE-2025-12839 Academy Software Foundation OpenEXR EXR File Parsing Heap-based Buffer Overflow Remote Cod

IV. Related Vulnerabilities

Same product: OpenEXR
Same vendor: Academy Software Foundation
Same weakness: CWE-122

V. Comments for CVE-2025-12840

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