{"id":"OSV-2025-1097","aliases":[],"status":"published","title":"Security exception in org.htmlunit.cyberneko.HTMLTagBalancer.reopenFormattingElements","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=571721880\n\n```\nCrash type: Security exception\nCrash state:\norg.htmlunit.cyberneko.HTMLTagBalancer.reopenFormattingElements\norg.htmlunit.cyberneko.HTMLTagBalancer.startElement\norg.htmlunit.cyberneko.HTMLTagBalancer.forceStartElement\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2026-10-10T00:18:42.710584Z","modified":"2026-10-22T12:15:03Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"htmlunit","ranges":[{"type":"GIT","events":[{"introduced":"0747862ca9e647fcdb16b35c9f775eaa577f9aee"},{"fixed":"4610a7a39a9f9fd8a4c892fd311be60032496428"}]}],"versions":["4.19.0","4.20.0","4.21.0","5.0.0","5.1.0","5.2.0","5.3.0","5.4.0","5.5.0","5.6.0"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=571721880","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2025-1097","title":"Security exception in org.htmlunit.cyberneko.HTMLTagBalancer.reopenFormattingElements","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=571721880\n\n```\nCrash type: Security exception\nCrash state:\norg.htmlunit.cyberneko.HTMLTagBalancer.reopenFormattingElements\norg.htmlunit.cyberneko.HTMLTagBalancer.startElement\norg.htmlunit.cyberneko.HTMLTagBalancer.forceStartElement\n```\n","status":"published","published":"2026-10-10T00:18:42.710584Z","modified":"2026-10-22T12:15:03.538392636Z","updated_at":"2026-11-02T15:52:49.981578Z"}]}}