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| author | Robin Watts <robin.watts@artifex.com> | 2012-01-12 15:31:24 +0000 |
|---|---|---|
| committer | Robin Watts <robin@ghostscript.com> | 2012-01-12 18:06:51 +0000 |
| commit | 269a44d92e2fc15631b86cc0c7135baf2023f312 (patch) | |
| tree | d54ba2fdc498f6e0c069dff1d6aac43cb4d72091 /pdf | |
| parent | 2f15b4c15438df7f6b1940a0036cc793be9fd9c3 (diff) | |
| download | mupdf-269a44d92e2fc15631b86cc0c7135baf2023f312.tar.xz | |
Avoid possible array overrun (and SEGV).
Check for cid being in range before using it. Thanks to Zeniko for
spotting this.
Diffstat (limited to 'pdf')
| -rw-r--r-- | pdf/pdf_font.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/pdf/pdf_font.c b/pdf/pdf_font.c index a04e6b56..d0a7241d 100644 --- a/pdf/pdf_font.c +++ b/pdf/pdf_font.c @@ -130,7 +130,7 @@ static int ft_cid_to_gid(pdf_font_desc *fontdesc, int cid) return ft_char_index(fontdesc->font->ft_face, cid); } - if (fontdesc->cid_to_gid) + if (fontdesc->cid_to_gid && cid < fontdesc->cid_to_gid_len && cid >= 0) return fontdesc->cid_to_gid[cid]; return cid; |