poppler/GfxState.cc | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
New commits: commit 3b8634e744aa5ba3b317fd3378ba07a438826827 Author: Albert Astals Cid <[email protected]> Date: Tue May 22 20:07:50 2018 +0200 GfxAxialShading::getParameterRange: Fix potential divide by zero fixes oss-fuzz/8436 diff --git a/poppler/GfxState.cc b/poppler/GfxState.cc index 97c6d0d1..21c09c8f 100644 --- a/poppler/GfxState.cc +++ b/poppler/GfxState.cc @@ -4176,7 +4176,13 @@ void GfxAxialShading::getParameterRange(double *lower, double *upper, pdx = x1 - x0; pdy = y1 - y0; - invsqnorm = 1.0 / (pdx * pdx + pdy * pdy); + const double invsqnorm_denominator = (pdx * pdx + pdy * pdy); + if (unlikely(invsqnorm_denominator == 0)) { + *lower = 0; + *upper = 0; + return; + } + invsqnorm = 1.0 / invsqnorm_denominator; pdx *= invsqnorm; pdy *= invsqnorm; _______________________________________________ poppler mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/poppler
