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[1.12 Merge] Add buffer overrun checks to H5O__layout_decode and H5O__sdspace_deco… #2729

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Apr 15, 2023
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8 changes: 8 additions & 0 deletions release_docs/RELEASE.txt
Original file line number Diff line number Diff line change
Expand Up @@ -223,6 +223,14 @@ Bug Fixes since HDF5-1.12.1 release
===================================
Library
-------
- Fixed potential buffer overrun issues in some object header decode routines

Several checks were added to H5O__layout_decode and H5O__sdspace_decode to
ensure that memory buffers don't get overrun when decoding buffers read from
a (possibly corrupted) HDF5 file.

(JTH - 2023/04/05)

- Fixed a heap buffer overflow that occurs when reading from
a dataset with a compact layout within a malformed HDF5 file

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