{"id":"CVE-2023-20956","aliases":["A-240140929","ASB-A-240140929","EUVD-2023-25124","GHSA-g3c3-6h58-gpf9"],"status":"published","title":"In Import of C2SurfaceSyncObj.cpp, there is a possible out of bounds write due to a missing...","description":"In Import of C2SurfaceSyncObj.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-240140929","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00094,"percentile":0.00589,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2023-03-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/frameworks/av","fixed_in":["13-next:2023-03-01","12:2023-03-01","12L:2023-03-01","13:2023-03-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/frameworks/av","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13-next:0"},{"fixed":"13-next:2023-03-01"}]}],"versions":["13-next"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/av","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2023-03-01"}]}],"versions":["12"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/av","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12L:0"},{"fixed":"12L:2023-03-01"}]}],"versions":["12L"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/av","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13:0"},{"fixed":"13:2023-03-01"}]}],"versions":["13"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/2023-03-01","tags":["x_transferred","Patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-20956"},{"url":"https://github.com/advisories/GHSA-g3c3-6h58-gpf9"},{"url":"https://android.googlesource.com/platform/frameworks/av/+/ce7a476857997b615745b13adaa5465cf4bc6cfe","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2023-20956","description":"In Import of C2SurfaceSyncObj.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-240140929","status":"published","published":"2023-03-24T00:00:00Z","modified":"2025-02-25T16:33:44.075Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:35:13.912858Z"}],"euvd":[{"id":"EUVD-2023-25124","description":"In Import of C2SurfaceSyncObj.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-240140929","status":"published","published":"2023-03-24T00:00:00Z","modified":"2025-02-25T16:33:44Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T20:53:24.103419Z"}],"ghsa":[{"id":"GHSA-g3c3-6h58-gpf9","title":"In Import of C2SurfaceSyncObj.cpp, there is a possible out of bounds write due to a missing...","description":"In Import of C2SurfaceSyncObj.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-240140929","status":"published","published":"2023-03-24T21:30:50Z","modified":"2023-04-05T05:07:25Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:54:26.767421Z"}],"nvd":[{"id":"CVE-2023-20956","description":"In Import of C2SurfaceSyncObj.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-240140929","status":"published","published":"2023-03-24T20:15:09.73Z","modified":"2026-06-17T05:31:18.51Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:50.908252Z"}],"osv":[{"id":"ASB-A-240140929","description":"In Import of C2SurfaceSyncObj.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2023-03-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-09T17:04:22.742827Z"}]}}