{"id":"CVE-2026-21089","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-21089","summary":"Improper input validation in removing style tag in libsubextractor.so prior to SMR Sep-2026 Release 1 allows local attackers to write out-of-bounds memory.","details":"Improper input validation in removing style tag in libsubextractor.so prior to SMR Sep-2026 Release 1 allows local attackers to write out-of-bounds memory.","published":"2026-09-09T05:17:20.947","modified":"2026-09-10T20:41:02.980","cvss":{"score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=09"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T20:41:02.980"}}