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fix(tiff): 64-bit size for LONG-typed IPTC data - #5577

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lgritz wants to merge 1 commit into
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lgritz:lg-tifflong
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lgritz wants to merge 1 commit into
AcademySoftwareFoundation:mainfrom
lgritz:lg-tifflong

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@lgritz

@lgritz lgritz commented Oct 17, 2026

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The RICHTIFFIPTC count was read into an int and multiplied by 4 for LONG-typed fields, which can overflow for very large fields, and was then passed to decode_iptc_iim() as an int length.

Assisted-by: Claude Code / Claude Sonnet 5.5

The RICHTIFFIPTC count was read into an int and multiplied by 4 for
LONG-typed fields, which can overflow for very large fields, and was then
passed to decode_iptc_iim() as an int length.

Assisted-by: Claude Code / Claude Sonnet 5.5

Signed-off-by: Larry Gritz <lg@larrygritz.com>
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