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Red Hat Bugzilla – Attachment 154762 Details for
Bug 240200
CVE-2007-2754 freetype integer overflow
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[patch]
Proposed upstream patch
ttgload.patch (text/plain), 892 bytes, created by
Josh Bressers
on 2007-05-15 18:57:20 UTC
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Description:
Proposed upstream patch
Filename:
MIME Type:
Creator:
Josh Bressers
Created:
2007-05-15 18:57:20 UTC
Size:
892 bytes
patch
obsolete
>--- ttgload.c 2007/04/09 08:40:11 1.177 >+++ ttgload.c 2007/04/27 17:16:50 1.178 >@@ -271,7 +271,11 @@ > > n_points = 0; > if ( n_contours > 0 ) >+ { > n_points = cont[-1] + 1; >+ if ( n_points < 0 ) >+ goto Invalid_Outline; >+ } > > /* note that we will add four phantom points later */ > error = FT_GLYPHLOADER_CHECK_POINTS( gloader, n_points + 4, 0 ); >@@ -682,7 +686,7 @@ > FT_GlyphLoader gloader = loader->gloader; > FT_Error error = TT_Err_Ok; > FT_Outline* outline; >- FT_UInt n_points; >+ FT_Int n_points; > > > outline = &gloader->current.outline; >@@ -709,7 +713,7 @@ > /* Deltas apply to the unscaled data. */ > FT_Vector* deltas; > FT_Memory memory = loader->face->memory; >- FT_UInt i; >+ FT_Int i; > > > error = TT_Vary_Get_Glyph_Deltas( (TT_Face)(loader->face),
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