Contradiction with Joshua 18:16
This verse describes the border going down to the valley of the son of Hinnom, rather than extending to it, showing a possible discrepancy in boundary details.
Joshua 18:16: And the border came down to the end of the mountain that [lieth] before the valley of the son of Hinnom, [and] which [is] in the valley of the giants on the north, and descended to the valley of Hinnom, to the side of Jebusi on the south, and descended to Enrogel,
Contradiction with Numbers 34:4
This verse describes a different route for the southern border of the land, which may seem inconsistent with the path described in Joshua 15:8.
Numbers 34:4: And your border shall turn from the south to the ascent of Akrabbim, and pass on to Zin: and the going forth thereof shall be from the south to Kadeshbarnea, and shall go on to Hazaraddar, and pass on to Azmon:
Contradiction with Judges 1:8
This verse notes the capture and burning of Jerusalem, while Joshua 15:8 implies a time when the Jebusites still inhabited it, suggesting a chronological or narrative inconsistency.
Judges 1:8: Now the children of Judah had fought against Jerusalem, and had taken it, and smitten it with the edge of the sword, and set the city on fire.
Contradiction with Joshua 15:63
This verse states that the Jebusites dwelling in Jerusalem were not driven out, while Joshua 15:8 implies that the Jebusite city is part of Judah's territory, causing confusion about control of the area.
Joshua 15:63: As for the Jebusites the inhabitants of Jerusalem, the children of Judah could not drive them out: but the Jebusites dwell with the children of Judah at Jerusalem unto this day.