{"id":"CVE-2026-21125","aliases":["EUVD-2026-97189","GHSA-vh34-cwh6-25cc"],"status":"published","title":"Improper input validation in parsing sheifd in libsimba.heifdec.media.samsung.so prior to SMR Oct...","description":"Improper input validation in parsing sheifd in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1 allows local attackers to potentially execute arbitrary code.","severity":{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00121,"percentile":0.01966,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2026-10-12T04:57:41Z","modified":"2026-10-14T20:13:37Z","products":[{"vendor":"samsung mobile","product":"samsung mobile devices"}],"references":[{"url":"https://security.samsungmobile.com/securityUpdate.smsb?year=2026\u0026month=10"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21125"},{"url":"https://github.com/advisories/GHSA-vh34-cwh6-25cc"}],"sources":{"cve":[{"id":"CVE-2026-21125","description":"Improper input validation in parsing sheifd in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1 allows local attackers to potentially execute arbitrary code.","status":"published","published":"2026-10-12T04:57:41.717Z","modified":"2026-10-13T03:55:32.409Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T13:41:53.237769Z"}],"euvd":[{"id":"EUVD-2026-97189","description":"Improper input validation in parsing sheifd in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1 allows local attackers to potentially execute arbitrary code.","status":"published","published":"2026-10-12T04:57:41Z","modified":"2026-10-13T03:55:32Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T17:27:21.690828Z"}],"ghsa":[{"id":"GHSA-vh34-cwh6-25cc","title":"Improper input validation in parsing sheifd in libsimba.heifdec.media.samsung.so prior to SMR Oct...","description":"Improper input validation in parsing sheifd in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1 allows local attackers to potentially execute arbitrary code.","status":"published","published":"2026-10-12T06:31:15Z","modified":"2026-10-12T15:32:09Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:13:05.860723Z"}],"nvd":[{"id":"CVE-2026-21125","description":"Improper input validation in parsing sheifd in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1 allows local attackers to potentially execute arbitrary code.","status":"published","published":"2026-10-12T05:17:01.093Z","modified":"2026-10-14T20:13:37.91Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:12:56.310333Z"}]}}