CVE-2025-47436
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.
| Software | From | Fixed in |
|---|---|---|
| apache / orc | - | 1.8.9 |
| apache / orc | 1.9.0 | 1.9.6 |
| apache / orc | 2.0.0 | 2.0.5 |
| apache / orc | 2.1.0 | 2.1.2 |
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