# Binary is missing from the extension package

**URL:** <https://discourse.slicer.org/t/binary-is-missing-from-the-extension-package/44832>\
**Category:** Development\
**Tags:** extensions\
**Created:** [October 20, 2025, 9:41pm UTC](https://discourse.slicer.org/t/binary-is-missing-from-the-extension-package/44832 "2025-10-20T21:41:02Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![fedorov](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/fedorov/32/14_2.png) [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Post date:** [October 20, 2025, 9:41pm UTC](https://discourse.slicer.org/t/binary-is-missing-from-the-extension-package/44832/1 "2025-10-20T21:41:02Z")

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We have a situation where one (and only one!) of the binaries that are build as part of the dcmqi extension is missing, only on Mac. For example, see this build: [SlicerPreview](https://slicer.cdash.org/index.php?project=SlicerPreview&date=2025-10-17&filtercount=1&showfilters=1&field1=buildname&compare1=63&value1=dcmqi) . There are no build errors, but `segimage2itkimage` CLI binary is not in the package. I don’t recall seeing this before. This worked fine, and there were no changes to the source code in many months. I asked @Sunderlandkyl to help with this, but maybe someone seen similar issues? Corresponding issue is here: [`segimage2itkimage` binary is missing in Slicer extension package · Issue #519 · QIICR/dcmqi · GitHub](https://github.com/QIICR/dcmqi/issues/519).

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**Author:** ![DeepaKrishnaswamy](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/deepakrishnaswamy/32/8913_2.png) [@DeepaKrishnaswamy](https://discourse.slicer.org/u/DeepaKrishnaswamy)\
**Post date:** [October 21, 2025, 4:32pm UTC](https://discourse.slicer.org/t/binary-is-missing-from-the-extension-package/44832/2 "2025-10-21T16:32:21Z")

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Hi,

This turned out to be a problem with mistakenly identifying `segimage2itkimage` as a cybersecurity threat.

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**Author:** ![jcfr](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jcfr/32/17825_2.png) [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Post date:** [October 21, 2025, 6:42pm UTC](https://discourse.slicer.org/t/binary-is-missing-from-the-extension-package/44832/3 "2025-10-21T18:42:07Z")

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> [@DeepaKrishnaswamy](#):
>
> This turned out to be a problem with mistakenly identifying `segimage2itkimage` as a cybersecurity threat.

Well done identifying the _root_ cause 💯

After analyzing the executable through `virustotal`, it is likely a false positive. See [here](https://github.com/QIICR/dcmqi/issues/519#issuecomment-3428763957) for details.