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Red Hat Bugzilla – Attachment 157539 Details for
Bug 245179
Heap corruption in Imagemagick's PCX coder
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[patch]
Fix for the ImageMagick PCX coder heap overflow
pcx_heap_overflow_fix (text/plain), 700 bytes, created by
Lubomir Kundrak
on 2007-06-21 14:27:34 UTC
(
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Description:
Fix for the ImageMagick PCX coder heap overflow
Filename:
MIME Type:
Creator:
Lubomir Kundrak
Created:
2007-06-21 14:27:34 UTC
Size:
700 bytes
patch
obsolete
>--- a/coders/pcx.c Sun Mar 04 20:16:03 2007 +0100 >+++ b/coders/pcx.c Sun Mar 04 21:10:33 2007 +0100 >@@ -341,7 +341,7 @@ static Image *ReadPCXImage(const ImageIn > pcx_packets=(unsigned long) image->rows*pcx_info.bytes_per_line*pcx_info.planes; > pcx_pixels=MagickAllocateMemory(unsigned char *,pcx_packets); > scanline=MagickAllocateMemory(unsigned char *,Max(image->columns, >- (unsigned long) pcx_info.bytes_per_line)*pcx_info.planes); >+ (unsigned long) pcx_info.bytes_per_line)*Max(pcx_info.planes,8)); > if ((pcx_pixels == (unsigned char *) NULL) || > (scanline == (unsigned char *) NULL)) > ThrowReaderException(ResourceLimitError,MemoryAllocationFailed,image);
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