@@ -199,11 +199,12 @@ public static void ProcessInterlacedPaletteScanline<TPixel>(
         ref TPixel rowSpanRef = ref MemoryMarshal.GetReference(rowSpan);
         ref Color paletteBase = ref MemoryMarshal.GetReference(palette.Value.Span);
         uint offset = pixelOffset + frameControl.XOffset;
+        int maxIndex = palette.Value.Length - 1;
 
         for (nuint x = offset, o = 0; x < frameControl.XMax; x += increment, o++)
         {
             uint index = Unsafe.Add(ref scanlineSpanRef, o);
-            pixel.FromRgba32(Unsafe.Add(ref paletteBase, index).ToRgba32());
+            pixel.FromRgba32(Unsafe.Add(ref paletteBase, (int)Math.Min(index, maxIndex)).ToRgba32());
             Unsafe.Add(ref rowSpanRef, x) = pixel;
         }
     }
 
@@ -693,4 +693,12 @@ public void Info_BadZTXT(string file)
         string path = Path.GetFullPath(Path.Combine(TestEnvironment.InputImagesDirectoryFullPath, file));
         _ = Image.Identify(path);
     }
+
+    [Theory]
+    [InlineData(TestImages.Png.Bad.Issue2714BadPalette)]
+    public void Decode_BadPalette(string file)
+    {
+        string path = Path.GetFullPath(Path.Combine(TestEnvironment.InputImagesDirectoryFullPath, file));
+        using Image image = Image.Load(path);
+    }
 }
@@ -192,6 +192,8 @@ public static class Bad
 
             public const string BadZTXT = "Png/issues/bad-ztxt.png";
             public const string BadZTXT2 = "Png/issues/bad-ztxt2.png";
+
+            public const string Issue2714BadPalette = "Png/issues/Issue_2714.png";
         }
     }
Original file line number	Diff line number	Diff line change
`@@ -199,11 +199,12 @@ public static void ProcessInterlacedPaletteScanline<TPixel>(`
`199`	`199`	`ref TPixel rowSpanRef = ref MemoryMarshal.GetReference(rowSpan);`
`200`	`200`	`ref Color paletteBase = ref MemoryMarshal.GetReference(palette.Value.Span);`
`201`	`201`	`uint offset = pixelOffset + frameControl.XOffset;`
	`202`	`+ int maxIndex = palette.Value.Length - 1;`
`202`	`203`
`203`	`204`	`for (nuint x = offset, o = 0; x < frameControl.XMax; x += increment, o++)`
`204`	`205`	`{`
`205`	`206`	`uint index = Unsafe.Add(ref scanlineSpanRef, o);`
`206`		`- pixel.FromRgba32(Unsafe.Add(ref paletteBase, index).ToRgba32());`
	`207`	`+ pixel.FromRgba32(Unsafe.Add(ref paletteBase, (int)Math.Min(index, maxIndex)).ToRgba32());`
`207`	`208`	`Unsafe.Add(ref rowSpanRef, x) = pixel;`
`208`	`209`	`}`
`209`	`210`	`}`
Original file line number	Diff line number	Diff line change
`@@ -693,4 +693,12 @@ public void Info_BadZTXT(string file)`
`693`	`693`	`string path = Path.GetFullPath(Path.Combine(TestEnvironment.InputImagesDirectoryFullPath, file));`
`694`	`694`	`_ = Image.Identify(path);`
`695`	`695`	`}`
	`696`	`+`
	`697`	`+ [Theory]`
	`698`	`+ [InlineData(TestImages.Png.Bad.Issue2714BadPalette)]`
	`699`	`+ public void Decode_BadPalette(string file)`
	`700`	`+ {`
	`701`	`+ string path = Path.GetFullPath(Path.Combine(TestEnvironment.InputImagesDirectoryFullPath, file));`
	`702`	`+ using Image image = Image.Load(path);`
	`703`	`+ }`
`696`	`704`	`}`
Original file line number	Diff line number	Diff line change
`@@ -192,6 +192,8 @@ public static class Bad`
`192`	`192`
`193`	`193`	`public const string BadZTXT = "Png/issues/bad-ztxt.png";`
`194`	`194`	`public const string BadZTXT2 = "Png/issues/bad-ztxt2.png";`
	`195`	`+`
	`196`	`+ public const string Issue2714BadPalette = "Png/issues/Issue_2714.png";`
`195`	`197`	`}`
`196`	`198`	`}`
`197`	`199`