OSV-2023-736 Heap-buffer-overflow in HeifContext::interpret_heif_file

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61718 Crash type: Heap-buffer-overflow READ 4 Crash state: HeifContext::interpretheiffile HeifContext::readfrommemory heifcontextreadfrommemory...

OSV-2023-330 Heap-buffer-overflow in RegionItem::parse

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58150 Crash type: Heap-buffer-overflow READ 1 Crash state: RegionItem::parse heif::HeifContext::interpretheiffile heif::HeifContext::readfrommemory...