| パッケージ | 影響を受けるバージョン | 修正済みバージョン |
|---|---|---|
| org.xerial.snappy:snappy-java | < 1.1.10.9 | 1.1.10.9 |
Snappy.uncompressCharArray, uncompressShortArray, uncompressIntArray, uncompressLongArray, uncompressFloatArray and uncompressDoubleArray sized the result array by dividing the declared uncompressed byte length by the element size, but native code wrote the full byte length. If the declared length is not a multiple of the element size, up to 7 bytes are written past the end of the Java array, corrupting the heap.
Fixed in 1.1.10.9 (#739). These methods now reject uncompressed lengths that are not a multiple of the element size with SnappyIOException.
Check that Snappy.uncompressedLength(input) is a multiple of the element size before calling these methods.
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