{"id":"CVE-2026-21089","state":"PUBLISHED","title":"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.","description":"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.","publishedAt":"2026-09-09T04:47:36.922Z","updatedAt":"2026-09-10T17:46:41.474Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N","source":"SamsungMobile"},"assigner":"SamsungMobile","products":["Samsung Mobile Samsung Mobile Devices"],"affected":[{"vendor":"Samsung Mobile","product":"Samsung Mobile Devices","defaultStatus":"affected","versions":[{"version":"SMR Sep-2026 Release in Android 14, 15, 16, 17","status":"unaffected","lessThan":"*","versionType":"semver"}]}],"references":["https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=09"],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/21xxx/CVE-2026-21089.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-21089","state":"PUBLISHED","datePublished":"2026-09-09T04:47:36.922Z","dateUpdated":"2026-09-10T17:46:41.474Z","assignerShortName":"SamsungMobile","assignerOrgId":"3af57064-a867-422c-b2ad-40307b65c458","dateReserved":"2025-12-11T01:33:35.826Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Samsung Mobile","product":"Samsung Mobile Devices","defaultStatus":"affected","versions":[{"version":"SMR Sep-2026 Release in Android 14, 15, 16, 17","status":"unaffected","lessThan":"*","versionType":"semver"}]}],"references":[{"url":"https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=09"}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N","baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-20: Improper Input Validation"}]}],"providerMetadata":{"shortName":"SamsungMobile","orgId":"3af57064-a867-422c-b2ad-40307b65c458","dateUpdated":"2026-09-09T04:47:36.922Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-10T17:46:13.175515Z","id":"CVE-2026-21089","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","type":"CWE","lang":"en","description":"CWE-20 Improper Input Validation"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-10T17:46:41.474Z"}}]}}}