{"id":"OSV-2021-1319","aliases":[],"status":"published","title":"Heap-buffer-overflow in geos::operation::valid::PolygonNode::isInteriorSegment","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38922\n\n```\nCrash type: Heap-buffer-overflow READ 8\nCrash state:\ngeos::operation::valid::PolygonNode::isInteriorSegment\ngeos::operation::valid::PolygonTopologyAnalyzer::isSegmentInRing\ngeos::operation::valid::IsValidOp::checkHolesOutsideShell\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-09-19T00:00:07.077782Z","modified":"2022-04-13T03:04:36Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"geos","ranges":[{"type":"GIT","events":[{"introduced":"f593230f5907260096202ef0302abe99b81c0bf7"},{"fixed":"f593230f5907260096202ef0302abe99b81c0bf7"},{"introduced":"0d3e09cc31101a7bd58051add7db0ce0aef6b6f5"},{"fixed":"0d3e09cc31101a7bd58051add7db0ce0aef6b6f5"},{"fixed":"128f6d9ffeb961b5b8c9baa6651521a88cfdfe35"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38922","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-1319","title":"Heap-buffer-overflow in geos::operation::valid::PolygonNode::isInteriorSegment","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38922\n\n```\nCrash type: Heap-buffer-overflow READ 8\nCrash state:\ngeos::operation::valid::PolygonNode::isInteriorSegment\ngeos::operation::valid::PolygonTopologyAnalyzer::isSegmentInRing\ngeos::operation::valid::IsValidOp::checkHolesOutsideShell\n```\n","status":"published","published":"2021-09-19T00:00:07.077782Z","modified":"2022-04-13T03:04:36.757432Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}