{"schema_version":"1.7.3","id":"OSV-2021-503","published":"2021-03-07T00:00:48.743475Z","modified":"2022-04-13T03:04:33.774982Z","summary":"Use-after-poison in std::__1::unique_ptr<SkSL::Expression, std::__1::default_delete<SkSL::Expression","details":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31765\n\n```\nCrash type: Use-after-poison READ 8\nCrash state:\nstd::__1::unique_ptr<SkSL::Expression, std::__1::default_delete<SkSL::Expression\nSkSL::DefinitionMap::getKnownDefinition\nSkSL::VariableReference::constantPropagate\n```\n","affected":[{"package":{"name":"skia","ecosystem":"OSS-Fuzz","purl":"pkg:generic/skia"},"ranges":[{"type":"GIT","repo":"https://skia.googlesource.com/skia.git","events":[{"introduced":"7c6e77087fdfce91af6e43229cc7648fdfdca614"},{"fixed":"8f440b4e1e22ab95386b48dc0e1250704864aa74"}]}],"versions":["canvaskit/0.24.0","canvaskit/0.25.0"],"ecosystem_specific":{"introduced_range":"1d62221553b70cbfd3df37c411d5e1951192d6cb:75b7606c0fe1b0dbb253d9e0a1c5f14b963ed0ad","severity":"HIGH"},"database_specific":{"source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/skia/OSV-2021-503.yaml"}}],"references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31765"}]}