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Fix vuln OSV-2024-123 #1

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Fix vuln OSV-2024-123 #1

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5 changes: 5 additions & 0 deletions src/in_dxf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -11718,13 +11718,18 @@ dxf_tables_read (Bit_Chain *restrict dat, Dwg_Data *restrict dwg)
Dwg_Object *ctrl = &dwg->object[ctrl_id];
char *dxfname = strdup (pair->value.s);
BITCODE_H ref;
int realloced;
dxf_free_pair (pair);
// until 0 table or 0 ENDTAB
pair = new_object (table, dxfname, dat, dwg, ctrl_id, (BITCODE_BL*)&i);
if (!pair)
return DWG_ERR_INVALIDDWG;
obj = &dwg->object[dwg->num_objects - 1];
// A minimal DXF will have no handle values
realloced = dwg_add_object(dwg);
if (realloced == -1) {
ctrl = &dwg->object[ctrl_id];
}
if (!obj->handle.value)
{
unsigned long next_handle = dwg_next_handle (dwg);
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