CVE-2025-47436— Apache ORC: Potential Heap Buffer Overflow during C++ LZO Decompression
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I. Basic Information for CVE-2025-47436
Vulnerability Information
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Vulnerability Title
Apache ORC: Potential Heap Buffer Overflow during C++ LZO Decompression
Source: NVD (National Vulnerability Database)
Vulnerability Description
Heap-based Buffer Overflow vulnerability in Apache ORC. A vulnerability has been identified in the ORC C++ LZO decompression logic, where specially crafted malformed ORC files can cause the decompressor to allocate a 250-byte buffer but then attempts to copy 295 bytes into it. It causes memory corruption. This issue affects Apache ORC C++ library: through 1.8.8, from 1.9.0 through 1.9.5, from 2.0.0 through 2.0.4, from 2.1.0 through 2.1.1. Users are recommended to upgrade to version 1.8.9, 1.9.6, 2.0.5, and 2.1.2, which fix the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
堆缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache ORC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache ORC是美国阿帕奇（Apache）基金会的一个高性能列式存储格式，专为Hadoop生态系统设计，优化大数据查询与分析性能。 Apache ORC 2.1.1及之前版本存在安全漏洞，该漏洞源于LZO解压缩逻辑存在堆缓冲区溢出，可能导致内存损坏。
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 |
|---|---|---|---|---|
| Apache Software Foundation | Apache ORC | 0 ~ 1.8.8 | - |
II. Public POCs for CVE-2025-47436
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|---|
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Same Patch Batch · Apache Software Foundation · 2025-05-14 · 4 CVEs total
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| CVE-2025-26864 | Apache IoTDB: Exposure of Sensitive Information in IoTDB OpenID Authentication |
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Same vendor: Apache Software Foundation
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