diff options
| author | Albert Astals Cid <aacid@kde.org> | 2021-01-04 23:39:54 +0100 |
|---|---|---|
| committer | Albert Astals Cid <aacid@kde.org> | 2021-01-04 23:39:54 +0100 |
| commit | e4346ae34b24ce84a4aeae539f26cab49497450c (patch) | |
| tree | f57339967db2b35a565451f87e8e9131c5204591 /poppler/PSOutputDev.cc | |
| parent | 9bb28091b64c1b19dcdccb63d50593abc15f627a (diff) | |
PSOutputDev: protect against potential divide by 0
oss-fuzz/29241
Diffstat (limited to 'poppler/PSOutputDev.cc')
| -rw-r--r-- | poppler/PSOutputDev.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/poppler/PSOutputDev.cc b/poppler/PSOutputDev.cc index 9e88e32c..7e83c94c 100644 --- a/poppler/PSOutputDev.cc +++ b/poppler/PSOutputDev.cc @@ -3734,6 +3734,10 @@ void PSOutputDev::startPage(int pageNum, GfxState *state, XRef *xrefA) xScale = xScale0; yScale = yScale0; } else if ((globalParams->getPSShrinkLarger() && (width > imgWidth2 || height > imgHeight2)) || (globalParams->getPSExpandSmaller() && (width < imgWidth2 && height < imgHeight2))) { + if (unlikely(width == 0)) { + error(errSyntaxError, -1, "width 0, xScale would be infinite"); + return; + } xScale = (double)imgWidth2 / (double)width; yScale = (double)imgHeight2 / (double)height; if (yScale < xScale) { |