{"id":"OSV-2021-508","aliases":[],"status":"published","title":"Segv on unknown address in Sass::CompoundSelector::resolve_parent_refs","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31832\n\n```\nCrash type: Segv on unknown address\nCrash state:\nSass::CompoundSelector::resolve_parent_refs\nSass::ComplexSelector::resolve_parent_refs\nSass::SelectorList::resolve_parent_refs\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-03-09T00:02:18.581527Z","modified":"2026-10-19T14:16:47Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"libsass","ranges":[{"type":"GIT","events":[{"introduced":"f964dcddd76f4c1f00da06bfd905be790618c33b"}]}],"versions":["3.6.2","3.6.3","3.6.4","3.6.5","3.6.6"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31832","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-508","title":"Segv on unknown address in Sass::CompoundSelector::resolve_parent_refs","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31832\n\n```\nCrash type: Segv on unknown address\nCrash state:\nSass::CompoundSelector::resolve_parent_refs\nSass::ComplexSelector::resolve_parent_refs\nSass::SelectorList::resolve_parent_refs\n```\n","status":"published","published":"2021-03-09T00:02:18.581527Z","modified":"2026-10-19T14:16:47.872103Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}