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| author | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:46:43 +0200 |
|---|---|---|
| committer | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:46:43 +0200 |
| commit | 3d1c57d5ef429e51ab7a626540c30b81e74a8f17 (patch) | |
| tree | 2589846dd73cb0a86156fc5f2575ea2373431a57 /nx-X11/lib/font/bitmap/pcfread.c | |
| parent | 844a4094f098684dd1da5bc11e73479fb61373a3 (diff) | |
| download | nx-libs-8347302ad7f95e51a4ec9eae15936695fd6b393e.tar.gz nx-libs-8347302ad7f95e51a4ec9eae15936695fd6b393e.tar.bz2 nx-libs-8347302ad7f95e51a4ec9eae15936695fd6b393e.zip | |
Imported nx-X11-3.1.0-4.tar.gznx-X11/3.1.0-4
Summary: Imported nx-X11-3.1.0-4.tar.gz
Keywords:
Imported nx-X11-3.1.0-4.tar.gz
into Git repository
Diffstat (limited to 'nx-X11/lib/font/bitmap/pcfread.c')
| -rw-r--r-- | nx-X11/lib/font/bitmap/pcfread.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/nx-X11/lib/font/bitmap/pcfread.c b/nx-X11/lib/font/bitmap/pcfread.c index dd76868bf..75916dae8 100644 --- a/nx-X11/lib/font/bitmap/pcfread.c +++ b/nx-X11/lib/font/bitmap/pcfread.c @@ -565,6 +565,9 @@ pcfReadFont(FontPtr pFont, FontFilePtr file, pFont->info.lastRow = pcfGetINT16(file, format); pFont->info.defaultCh = pcfGetINT16(file, format); if (IS_EOF(file)) goto Bail; + if (pFont->info.firstCol > pFont->info.lastCol || + pFont->info.firstRow > pFont->info.lastRow || + pFont->info.lastCol-pFont->info.firstCol > 255) goto Bail; nencoding = (pFont->info.lastCol - pFont->info.firstCol + 1) * (pFont->info.lastRow - pFont->info.firstRow + 1); @@ -703,6 +706,9 @@ pcfReadFontInfo(FontInfoPtr pFontInfo, FontFilePtr file) pFontInfo->lastRow = pcfGetINT16(file, format); pFontInfo->defaultCh = pcfGetINT16(file, format); if (IS_EOF(file)) goto Bail; + if (pFontInfo->firstCol > pFontInfo->lastCol || + pFontInfo->firstRow > pFontInfo->lastRow || + pFontInfo->lastCol-pFontInfo->firstCol > 255) goto Bail; nencoding = (pFontInfo->lastCol - pFontInfo->firstCol + 1) * (pFontInfo->lastRow - pFontInfo->firstRow + 1); |