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Red Hat Bugzilla – Attachment 303447 Details for
Bug 443766
CVE-2008-1670 kdelibs: Buffer overflow in KHTML's image loader
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[patch]
Upstream patch
post-kde-4.0.3-khtml.diff (text/plain), 739 bytes, created by
Tomas Hoger
on 2008-04-23 08:02:16 UTC
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Description:
Upstream patch
Filename:
MIME Type:
Creator:
Tomas Hoger
Created:
2008-04-23 08:02:16 UTC
Size:
739 bytes
patch
obsolete
>--- khtml/imload/decoders/pngloader.cpp >+++ khtml/imload/decoders/pngloader.cpp >@@ -109,6 +109,8 @@ private: > > if (colorType == PNG_COLOR_TYPE_RGB) > colorType = PNG_COLOR_TYPE_RGB_ALPHA; //Paranoia.. >+ else if (colorType == PNG_COLOR_TYPE_GRAY) >+ colorType = PNG_COLOR_TYPE_GRAY_ALPHA; > } > > ImageFormat imFrm; >@@ -192,6 +194,7 @@ private: > { > if (interlaced) > { >+ Q_ASSERT(pngReadStruct->row_info.pixel_depth <= depth * 8); > requestScanline(rowNum, scanlineBuf); > png_progressive_combine_row(pngReadStruct, scanlineBuf, data); > notifyScanline(pass + 1, scanlineBuf);
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