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Fix 8361cf5a73: Missing bounds check for house specs. (#10625)
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@ -5781,7 +5781,7 @@ static void TownHouseMapSpriteGroup(ByteReader *buf, uint8 idcount)
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if (!IsValidGroupID(groupid, "TownHouseMapSpriteGroup")) return;
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for (uint i = 0; i < idcount; i++) {
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HouseSpec *hs = _cur.grffile->housespec[houses[i]];
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HouseSpec *hs = houses[i] >= NUM_HOUSES_PER_GRF ? nullptr : _cur.grffile->housespec[houses[i]];
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if (hs == nullptr) {
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grfmsg(1, "TownHouseMapSpriteGroup: House %d undefined, skipping.", houses[i]);
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