{"id":"OSV-2026-535","aliases":[],"status":"published","title":"Security exception in org.htmlunit.cyberneko.HTMLTagBalancer.endElement","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=499447433\n\n```\nCrash type: Security exception\nCrash state:\norg.htmlunit.cyberneko.HTMLTagBalancer.endElement\njava.base/sun.nio.cs.CESU_8.updatePositions\njava.base/sun.nio.cs.CESU_8$Encoder.encodeArrayLoop\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2026-04-05T00:10:08.687399Z","modified":"2026-04-05T00:10:08Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"htmlunit","ranges":[{"type":"GIT","events":[{"introduced":"0747862ca9e647fcdb16b35c9f775eaa577f9aee"},{"fixed":"7ae58fa2368d0ab209e6af06e0ebbc9ab6e9c7f4"}]}],"versions":["4.19.0","4.20.0","4.21.0"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=499447433","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2026-535","title":"Security exception in org.htmlunit.cyberneko.HTMLTagBalancer.endElement","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=499447433\n\n```\nCrash type: Security exception\nCrash state:\norg.htmlunit.cyberneko.HTMLTagBalancer.endElement\njava.base/sun.nio.cs.CESU_8.updatePositions\njava.base/sun.nio.cs.CESU_8$Encoder.encodeArrayLoop\n```\n","status":"published","published":"2026-04-05T00:10:08.687399Z","modified":"2026-04-05T00:10:08.687736Z","updated_at":"2026-11-02T15:52:50.263679Z"}]}}