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Vulnerability details

7.5/10
CVSS 3.1
GHSA-gwq9-9ffj-mvrv
in_triage Published 2026-10-27 Updated 2026-10-27
GitHub Advisory
Vulnerability Data from Dependency-Track
Affected versions
Score
7.5 CVSS 3.1 GITHUB CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
### Impact `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. ### Patches Fixed in 1.1.10.9 ([#739](https://github.com/xerial/snappy-java/pull/739)). These methods now reject uncompressed lengths that are not a multiple of the element size with `SnappyIOException`. ### Workarounds Check that `Snappy.uncompressedLength(input)` is a multiple of the element size before calling these methods.
Same vulnerability as
CVE-2026-93451 in_triage according to EUVD-2026-82603
Analysis Read only
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