| Title | https://github.com/HDFGroup/hdf5 HDF5 1.14.6 Heap-based Buffer Overflow |
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| Description | A heap-buffer-overflow vulnerability was discovered in the H5HL__fl_deserialize function within the HDF5 Library. This issue occurs when processing certain files, leading to an out-of-bounds read and potential application crash.
The vulnerability arises in the H5HL__fl_deserialize function defined in src/H5HLcache.c at line 247.
The reason is that function H5HL__fl_deserialize did not check whether the value of free_block is valid or within the specified boundary when calling H5_DECODE_LENGTH_LEN. When the value of free_block is a large number, it can lead to overflow and potential segmentation fault. |
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| Source | ⚠️ https://github.com/HDFGroup/hdf5/issues/5382 |
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| User | Anonymous User |
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| Submission | 2025-03-16 08時05分 (4 月前) |
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| Moderation | 2025-03-28 12時56分 (12 days later) |
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| Status | 已接受 |
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| VulDB Entry | 301899 [HDF5 直到1.14.6 src/H5HLcache.c H5HL__fl_deserialize free_block 内存损坏] |
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| Points | 20 |
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