OSV-2023-426
Heap-buffer-overflow in libdeflate_zlib_decompress_ex
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=59267
Crash type: Heap-buffer-overflow READ 2
Crash state:
libdeflate_zlib_decompress_ex
exr_uncompress_buffer
DwaCompressor_uncompress
What each source reports
OSV No score
Heap-buffer-overflow in libdeflate_zlib_decompress_ex
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=59267
Crash type: Heap-buffer-overflow READ 2
Crash state:
libdeflate_zlib_decompress_ex
exr_uncompress_buffer
DwaCompressor_uncompress
- Record
OSV-2023-426- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
openexrOSS-Fuzz |
Commit ranges | Not evaluated |
Not evaluated means the source gave git commits or a range we can't read, so we can't tell which releases are affected. A fixed version beside it is the source’s own claim.
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2023-426 is a vulnerability with no CVSS score yet in openexr, published May 25, 2023. No source lists public exploit code. A source reports a fix.