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-rw-r--r--www/firefox-esr/files/patch-25506760
1 files changed, 60 insertions, 0 deletions
diff --git a/www/firefox-esr/files/patch-255067 b/www/firefox-esr/files/patch-255067
new file mode 100644
index 000000000000..cddf17ca8328
--- /dev/null
+++ b/www/firefox-esr/files/patch-255067
@@ -0,0 +1,60 @@
+Index: mozilla/gfx/src/shared/gfxImageFrame.cpp
+===================================================================
+RCS file: /cvsroot/mozilla/gfx/src/shared/gfxImageFrame.cpp,v
+retrieving revision 1.26
+retrieving revision 1.26.12.1
+diff -u -r1.26 -r1.26.12.1
+--- gfx/src/shared/gfxImageFrame.cpp 16 Jan 2004 23:28:48 -0000 1.26
++++ gfx/src/shared/gfxImageFrame.cpp 27 Aug 2004 11:02:58 -0000 1.26.12.1
+@@ -72,6 +72,13 @@
+ return NS_ERROR_FAILURE;
+ }
+
++ /* reject over-wide or over-tall images */
++ const PRInt32 k64KLimit = 0x0000FFFF;
++ if ( aWidth > k64KLimit || aHeight > k64KLimit ){
++ NS_ERROR("image too big");
++ return NS_ERROR_FAILURE;
++ }
++
+ nsresult rv;
+
+ mOffset.MoveTo(aX, aY);
+Index: mozilla/gfx/src/windows/nsImageWin.cpp
+===================================================================
+RCS file: /cvsroot/mozilla/gfx/src/windows/nsImageWin.cpp,v
+retrieving revision 3.130.2.1
+retrieving revision 3.130.2.1.6.1
+diff -u -r3.130.2.1 -r3.130.2.1.6.1
+--- gfx/src/windows/nsImageWin.cpp 11 May 2004 21:53:49 -0000 3.130.2.1
++++ gfx/src/windows/nsImageWin.cpp 27 Aug 2004 11:02:58 -0000 3.130.2.1.6.1
+@@ -131,6 +131,10 @@
+ return NS_ERROR_UNEXPECTED;
+ }
+
++ // limit images to 64k pixels on a side (~55 feet on a 100dpi monitor)
++ const PRInt32 k64KLimit = 0x0000FFFF;
++ if (aWidth > k64KLimit || aHeight > k64KLimit)
++ return NS_ERROR_FAILURE;
+
+ if (mNumPaletteColors >= 0){
+ // If we have a palette
+Index: mozilla/modules/libpr0n/decoders/bmp/nsBMPDecoder.cpp
+===================================================================
+RCS file: /cvsroot/mozilla/modules/libpr0n/decoders/bmp/nsBMPDecoder.cpp,v
+retrieving revision 1.24.2.1
+retrieving revision 1.24.2.1.6.1
+diff -u -r1.24.2.1 -r1.24.2.1.6.1
+--- modules/libpr0n/decoders/bmp/nsBMPDecoder.cpp 13 May 2004 22:27:35 -0000 1.24.2.1
++++ modules/libpr0n/decoders/bmp/nsBMPDecoder.cpp 27 Aug 2004 11:02:58 -0000 1.24.2.1.6.1
+@@ -274,7 +274,9 @@
+ CalcBitShift();
+ }
+ // BMPs with negative width are invalid
+- if (mBIH.width < 0)
++ // Reject extremely wide images to keep the math sane
++ const PRInt32 k64KWidth = 0x0000FFFF;
++ if (mBIH.width < 0 || mBIH.width > k64KWidth)
+ return NS_ERROR_FAILURE;
+
+ PRUint32 real_height = (mBIH.height > 0) ? mBIH.height : -mBIH.height;