Reject oversized exrmetrics vector allocations on ILP32#2539
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cary-ilm merged 2 commits intoJul 14, 2026
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exrmetrics computed image buffer sizes as uint64_t but passed them to std::vector::resize(size_type), which silently truncates on 32-bit builds and left decode writing past undersized channel and sample-count buffers. Validate count and size to confirm the cast to size_t does not overflow. Addresses https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-r8mj-rhfc-38g4 Addresses https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-pgc2-hppj-q623 Addresses https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-g5m8-8w79-34q8 Addresses https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-xc77-xm9h-qxm4 Signed-off-by: Cary Phillips <cary@ilm.com> Co-authored-by: Cursor <cursoragent@cursor.com>
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exrmetrics computed image buffer sizes as uint64_t but passed them to std::vector::resize(size_type), which silently truncates on 32-bit builds and left decode writing past undersized channel and sample-count buffers.
Validate count and size to confirm the cast to size_t does not overflow.
Addresses https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-r8mj-rhfc-38g4
Addresses https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-pgc2-hppj-q623
Addresses https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-g5m8-8w79-34q8 Addresses https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-xc77-xm9h-qxm4