{"id":"OSV-2026-524","aliases":[],"status":"published","title":"Security exception in org.apache.poi.ss.formula.OperandClassTransformer.transformNode","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=499126302\n\n```\nCrash type: Security exception\nCrash state:\norg.apache.poi.ss.formula.OperandClassTransformer.transformNode\norg.apache.poi.ss.formula.OperandClassTransformer.isSimpleValueFunction\norg.apache.poi.ss.formula.OperandClassTransformer.transformNode\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2026-04-04T00:09:41.138842Z","modified":"2026-11-03T12:15:03Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"apache-poi","ranges":[{"type":"GIT","events":[{"introduced":"b19e73b8a0456b406e9eaec0dd90b63bc699953f"},{"fixed":"bf0025c02bee146850784c012aeb810d0fc02fe5"}]}],"versions":["REL_6_0_0"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=499126302","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2026-524","title":"Security exception in org.apache.poi.ss.formula.OperandClassTransformer.transformNode","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=499126302\n\n```\nCrash type: Security exception\nCrash state:\norg.apache.poi.ss.formula.OperandClassTransformer.transformNode\norg.apache.poi.ss.formula.OperandClassTransformer.isSimpleValueFunction\norg.apache.poi.ss.formula.OperandClassTransformer.transformNode\n```\n","status":"published","published":"2026-04-04T00:09:41.138842Z","modified":"2026-11-03T12:15:03.359622859Z","updated_at":"2026-11-03T12:31:35.467775Z"}]}}