Fix chunk data memory leak when decoding PNG. Fix #2080

miere43 · tocsoft · commit 03d0b63c7c5d · 2022-04-12T17:57:45.000+01:00
diff --git a/src/ImageSharp/Formats/Png/PngDecoderCore.cs b/src/ImageSharp/Formats/Png/PngDecoderCore.cs
@@ -1367,6 +1367,7 @@ private int ReadNextDataChunk()
             {
                 if (chunk.Type == PngChunkType.Data)
                 {
+                    chunk.Data?.Dispose();
                     return chunk.Length;
                 }
 

Original file line number	Diff line number	Diff line change
`@@ -1367,6 +1367,7 @@ private int ReadNextDataChunk()`
`1367`	`1367`	`{`
`1368`	`1368`	`if (chunk.Type == PngChunkType.Data)`
`1369`	`1369`	`{`
	`1370`	`+ chunk.Data?.Dispose();`
`1370`	`1371`	`return chunk.Length;`
`1371`	`1372`	`}`
`1372`	`1373`