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Merge pull request #4836 from sashashura/patch-8

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Fixes Heap-buffer-overflow READ 4 in Assimp::ScenePreprocessor::ProcssMesh
This commit is contained in:
Kim Kulling
2022-12-15 14:04:19 +01:00
committed by GitHub
parent 0fdae2879d d5294be00b
commit ee02c389ca
1 changed files with 4 additions and 3 deletions
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7
code/AssetLib/OFF/OFFLoader.cpp
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@@ -290,11 +290,12 @@ void OFFImporter::InternReadFile( const std::string& pFile, aiScene* pScene, IOS
sz = line; SkipSpaces(&sz);
idx = strtoul10(sz,&sz);
if(!idx || idx > 9) {
ASSIMP_LOG_ERROR("OFF: Faces with zero indices aren't allowed");
ASSIMP_LOG_ERROR("OFF: Faces with zero indices aren't allowed");
--mesh->mNumFaces;
++i;
continue;
}
faces->mNumIndices = idx;
}
faces->mNumIndices = idx;
faces->mIndices = new unsigned int[faces->mNumIndices];
for (unsigned int m = 0; m < faces->mNumIndices;++m) {
SkipSpaces(&sz);