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Subject: Fix table rowspan and colspan
Author: Kuang-che Wu <kcwu@google.com>
Origin: https://github.com/tats/w3m/pull/19
Bug-Debian: https://github.com/tats/w3m/issues/8 [CVE-2016-9422]
diff --git a/table.c b/table.c
index d376284..deeab0a 100644
--- a/table.c
+++ b/table.c
@@ -2600,12 +2600,16 @@ feed_table_tag(struct table *tbl, char *line, struct table_mode *mode,
if ((tbl->row + rowspan) >= tbl->max_rowsize)
check_row(tbl, tbl->row + rowspan);
}
+ if (rowspan < 1)
+ rowspan = 1;
if (parsedtag_get_value(tag, ATTR_COLSPAN, &colspan)) {
if ((tbl->col + colspan) >= MAXCOL) {
/* Can't expand column */
colspan = MAXCOL - tbl->col;
}
}
+ if (colspan < 1)
+ colspan = 1;
if (parsedtag_get_value(tag, ATTR_ALIGN, &i)) {
switch (i) {
case ALIGN_LEFT:
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