{"id":"OSV-2023-750","aliases":[],"status":"published","title":"Security exception in org.antlr.v4.runtime.atn.PredictionContext.fromRuleContext","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61786\n\n```\nCrash type: Security exception\nCrash state:\norg.antlr.v4.runtime.atn.PredictionContext.fromRuleContext\njava.base/jdk.internal.misc.Unsafe.weakCompareAndSetInt\njava.base/jdk.internal.misc.Unsafe.getAndAddInt\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2023-08-27T14:01:22.181636Z","modified":"2023-08-27T14:01:22Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"checkstyle","ranges":[{"type":"GIT","events":[{"introduced":"93837326e2eed69abd1b78a6099be8cae2552438"},{"fixed":"0dba32b6c8c29977d74af675078501fa8052c10f"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61786","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2023-750","title":"Security exception in org.antlr.v4.runtime.atn.PredictionContext.fromRuleContext","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61786\n\n```\nCrash type: Security exception\nCrash state:\norg.antlr.v4.runtime.atn.PredictionContext.fromRuleContext\njava.base/jdk.internal.misc.Unsafe.weakCompareAndSetInt\njava.base/jdk.internal.misc.Unsafe.getAndAddInt\n```\n","status":"published","published":"2023-08-27T14:01:22.181636Z","modified":"2023-08-27T14:01:22.181891Z","updated_at":"2026-11-02T15:52:49.747775Z"}]}}