PT-2025-21026 · Apache · Apache Orc

Jason Villaluna

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CVE-2025-47436

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Published

2025-05-13

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Updated

2025-07-14

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions: Apache ORC versions 1.8.0 through 1.8.8 Apache ORC versions 1.9.0 through 1.9.5 Apache ORC versions 2.0.0 through 2.0.4 Apache ORC versions 2.1.0 through 2.1.1
Description: A Heap-based Buffer Overflow vulnerability has been identified in the ORC C++ LZO decompression logic. Specially crafted malformed ORC files can cause the decompressor to allocate a 250-byte buffer but then attempt to copy 295 bytes into it, resulting in memory corruption.
Recommendations: For Apache ORC versions 1.8.0 through 1.8.8, upgrade to version 1.8.9. For Apache ORC versions 1.9.0 through 1.9.5, upgrade to version 1.9.6. For Apache ORC versions 2.0.0 through 2.0.4, upgrade to version 2.0.5. For Apache ORC versions 2.1.0 through 2.1.1, upgrade to version 2.1.2.

Exploit

Fix

Heap Based Buffer Overflow

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Weakness Enumeration

CWE-122

Related Identifiers

AZL-61829
AZL-61836
CVE-2025-47436

Affected Products

Apache Orc