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diff -up libexif-0.6.13/libexif/exif-loader.c.cve-2007-6351 libexif-0.6.13/libexif/exif-loader.c
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--- libexif-0.6.13/libexif/exif-loader.c.cve-2007-6351	2007-12-15 22:16:06.000000000 -0500
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+++ libexif-0.6.13/libexif/exif-loader.c	2007-12-15 22:16:42.000000000 -0500
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@@ -173,6 +173,9 @@ exif_loader_write (ExifLoader *eld, unsi
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 		break;
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 	}
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+	if (!len)
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+		return 1;
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+
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 	exif_log (eld->log, EXIF_LOG_CODE_DEBUG, "ExifLoader",
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 		  "Scanning %i byte(s) of data...", len);
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