Reject NO_COMPRESSION scanline chunks with short packed size.#2548
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cary-ilm merged 2 commits intoJul 14, 2026
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Mirror the existing tile-path check in exr_read_scanline_chunk_info(): for EXR_COMPRESSION_NONE, require packed_size to equal unpacked_size before decode allocates an unpack buffer that no decompressor fills. Covers flat and deep scanline chunk leaders. Addresses https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-7hgm-jxjc-6hgg Addresses https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-fwhm-jj7c-mx7v Co-authored-by: Cursor <cursoragent@cursor.com> Signed-off-by: Cary Phillips <seabeepea@gmail.com>
cary-ilm
merged commit Jul 14, 2026
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Mirror the existing tile-path check in exr_read_scanline_chunk_info(): for EXR_COMPRESSION_NONE, require packed_size to equal unpacked_size before decode allocates an unpack buffer that no decompressor fills.
Covers flat and deep scanline chunk leaders.
Addresses https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-7hgm-jxjc-6hgg
Addresses https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-fwhm-jj7c-mx7v