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libexif.12011
CVE-2017-7544.patch
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File CVE-2017-7544.patch of Package libexif.12011
Index: libexif/exif-data.c =================================================================== RCS file: /cvsroot/libexif/libexif/libexif/exif-data.c,v retrieving revision 1.131 diff -u -r1.131 exif-data.c --- libexif/exif-data.c 12 Jul 2012 17:28:26 -0000 1.131 +++ libexif/exif-data.c 25 Jul 2017 21:34:06 -0000 @@ -255,6 +255,12 @@ exif_mnote_data_set_offset (data->priv->md, *ds - 6); exif_mnote_data_save (data->priv->md, &e->data, &e->size); e->components = e->size; + if (exif_format_get_size (e->format) != 1) { + /* e->format is taken from input code, + * but we need to make sure it is a 1 byte + * entity due to the multiplication below. */ + e->format = EXIF_FORMAT_UNDEFINED; + } } }
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