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Message-ID: <24d465d5-d581-4382-d696-e709358c48ff@apache.org>
Date: Tue, 13 May 2025 14:31:24 +0000
From: Dongjoon Hyun <dongjoon@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2025-47436: Apache ORC: Potential Heap Buffer Overflow during
C++ LZO Decompression
Affected versions:
- Apache ORC through 1.8.8
- Apache ORC 1.9.0 through 1.9.5
- Apache ORC 2.0.0 through 2.0.4
- Apache ORC 2.1.0 through 2.1.1
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.
This issue is being tracked as ORC-1879
Credit:
Jason Villaluna (reporter)
References:
https://orc.apache.org/
https://www.cve.org/CVERecord?id=CVE-2025-47436
https://issues.apache.org/jira/browse/ORC-1879
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