git clone -b eternity https://gitlab.com/eternity-codec/libvpx.git cd libvpx ./configure --enable-eternity-mode --enable-shared --disable-unit-tests make -j$(nproc) sudo make install

is not a formal software product name, but rather a conceptual intersection between the Eternity Project (a notorious malware-as-a-service developer) and the libvpx video codec library, which is frequently targeted for zero-day exploits.