libsass:data_context_fuzzer: Segv on unknown address in Sass::CompoundSelector::resolve_parent_refs

Detailed Report: https://oss-fuzz.com/testcase?key=6118697568698368 Project: libsass Fuzzing Engine: afl Fuzz Target: datacontextfuzzer Job Type: aflasanlibsass Platform Id: linux Crash Type: Segv on unknown address Crash Address: Crash State: Sass::CompoundSelector::resolveparentrefs...

OSV-2020-348 Heap-buffer-overflow in std::__1::vector<std::__1::vector<Sass::SharedImpl<Sass::ComplexSelector>, std::

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15893 Crash type: Heap-buffer-overflow READ 8 Crash state: std::1::vector, std:: Sass::ComplexSelector::resolveparentrefs Sass::SelectorList::resolveparentrefs...