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Merge branch 'pgrd_overflow' into 'master'

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Fix a heap overflow in loadpgrd.cpp

See merge request OpenMW/openmw!784
This commit is contained in:
Alexei Dobrohotov 2021-04-30 12:04:41 +00:00
commit e9ff90f3de
1 changed files with 2 additions and 0 deletions
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components/esm/loadpgrd.cpp
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@ -100,6 +100,8 @@ namespace ESM
for(PointList::const_iterator it = mPoints.begin(); it != mPoints.end(); ++it, ++pointIndex) for(PointList::const_iterator it = mPoints.begin(); it != mPoints.end(); ++it, ++pointIndex)
{ {
unsigned char connectionNum = (*it).mConnectionNum; unsigned char connectionNum = (*it).mConnectionNum;
if (rawConnections.end() - rawIt < connectionNum)
esm.fail("Not enough connections");
for (int i = 0; i < connectionNum; ++i) { for (int i = 0; i < connectionNum; ++i) {
Edge edge; Edge edge;
edge.mV0 = pointIndex; edge.mV0 = pointIndex;