Re: [PR] apply allocation bounds check to EmfExtCreatePen st yle entries [poi]

metsw24-max commented on code in PR #1113:
URL: https://github.com/apache/poi/pull/1113#discussion_r3356020482


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poi-scratchpad/src/main/java/org/apache/poi/hemf/record/emf/HemfMisc.java:
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@@ -624,6 +626,7 @@ public long init(LittleEndianInputStream leis, long recordSize, long recordId) t
             // If the pen type in the PenStyle field is PS_GEOMETRIC, the lengths are specified in logical
             // units; otherwise, the lengths are specified in device units.
 
+            IOUtils.safelyAllocateCheck(numStyleEntries, HwmfPicture.getMaxRecordLength());

Review Comment:
   good catch, that was reaching into the hwmf limit by mistake. now that #1114 has landed the hemf-specific limit i've rebased and switched this to HemfPicture.safelyAllocateCheck, same as the polyline decoder in HemfDraw.



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