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openSUSE:Evergreen:11.1
freetype2
bnc619562_CVE-2010-2499.diff
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File bnc619562_CVE-2010-2499.diff of Package freetype2
From c69891a1345640096fbf396e8dd567fe879ce233 Mon Sep 17 00:00:00 2001 From: suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> Date: Fri, 25 Jun 2010 00:02:18 +0000 Subject: Initial fix for Savannah bug #30248 and #30249. * src/base/ftobjs.c (Mac_Read_POST_Resource): Check the error during reading a PFB fragment embedded in LaserWriter PS font for Macintosh. Reported by Robert Swiecki. already covered --- -- cgit v0.8.3.2 From f29f741efbba0a5ce2f16464f648fb8d026ed4c8 Mon Sep 17 00:00:00 2001 From: suzuki toshiya <sssa@flavor1.ipc.hiroshima-u.ac.jp> Date: Thu, 01 Jul 2010 08:31:03 +0000 Subject: Additional fix for Savannah bug #30248 and #30249. * src/base/ftobjs.c (Mac_Read_POST_Resource): Check the buffer size during gathering PFB fragments embedded in LaserWriter PS font for Macintosh. Reported by Robert Swiecki. --- --- freetype-2.3.12/src/base/ftobjs.c.orig 2010-08-11 19:40:15.022793475 +0200 +++ freetype-2.3.12/src/base/ftobjs.c 2010-08-11 19:40:15.042794082 +0200 @@ -1553,6 +1553,8 @@ len += rlen; else { + if ( pfb_lenpos + 3 > pfb_len + 2 ) + goto Exit2; pfb_data[pfb_lenpos ] = (FT_Byte)( len ); pfb_data[pfb_lenpos + 1] = (FT_Byte)( len >> 8 ); pfb_data[pfb_lenpos + 2] = (FT_Byte)( len >> 16 ); @@ -1561,6 +1563,8 @@ if ( ( flags >> 8 ) == 5 ) /* End of font mark */ break; + if ( pfb_pos + 6 > pfb_len + 2 ) + goto Exit2; pfb_data[pfb_pos++] = 0x80; type = flags >> 8; @@ -1585,9 +1589,13 @@ pfb_pos += rlen; } + if ( pfb_pos + 2 > pfb_len + 2 ) + goto Exit2; pfb_data[pfb_pos++] = 0x80; pfb_data[pfb_pos++] = 3; + if ( pfb_lenpos + 3 > pfb_len + 2 ) + goto Exit2; pfb_data[pfb_lenpos ] = (FT_Byte)( len ); pfb_data[pfb_lenpos + 1] = (FT_Byte)( len >> 8 ); pfb_data[pfb_lenpos + 2] = (FT_Byte)( len >> 16 );
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