{"id":"CVE-2021-39671","aliases":["A-206718630","ASB-A-206718630","EUVD-2021-26028","GHSA-fp26-fc43-5569"],"status":"published","title":"In code generated by aidl_const_expressions.cpp, there is a possible out of bounds read due to...","description":"In code generated by aidl_const_expressions.cpp, there is a possible out of bounds read due to uninitialized data. This could lead to information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-206718630","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0049,"percentile":0.42504,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-908"],"published":"2022-02-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/system/tools/aidl","fixed_in":["12:2022-02-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/system/tools/aidl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2022-02-01"}]}],"versions":["12"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/2022-02-01","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39671"},{"url":"https://github.com/advisories/GHSA-fp26-fc43-5569"},{"url":"https://android.googlesource.com/platform/system/tools/aidl/+/dd0d78f0ead984881caee291751226001f92587e","tags":["fix"]},{"url":"https://android.googlesource.com/platform/system/tools/aidl/+/3f4f24f1fc01aabae8253eb041c6cb236e54402b","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-39671","description":"In code generated by aidl_const_expressions.cpp, there is a possible out of bounds read due to uninitialized data. This could lead to information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-206718630","status":"published","published":"2022-02-11T17:40:53Z","modified":"2024-08-04T02:13:37.632Z","updated_at":"2026-11-02T14:33:09.864034Z"}],"euvd":[{"id":"EUVD-2021-26028","description":"In code generated by aidl_const_expressions.cpp, there is a possible out of bounds read due to uninitialized data. This could lead to information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-206718630","status":"published","published":"2022-02-11T17:40:53Z","modified":"2024-08-04T02:13:37Z","updated_at":"2026-11-03T03:24:22.709283Z"}],"ghsa":[{"id":"GHSA-fp26-fc43-5569","title":"In code generated by aidl_const_expressions.cpp, there is a possible out of bounds read due to...","description":"In code generated by aidl_const_expressions.cpp, there is a possible out of bounds read due to uninitialized data. This could lead to information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-206718630","status":"published","published":"2022-02-12T00:00:43Z","modified":"2023-02-03T05:06:00Z","cwes":["CWE-908"],"updated_at":"2026-11-02T14:53:49.735091Z"}],"nvd":[{"id":"CVE-2021-39671","description":"In code generated by aidl_const_expressions.cpp, there is a possible out of bounds read due to uninitialized data. This could lead to information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-206718630","status":"published","published":"2022-02-11T18:15:10.42Z","modified":"2026-06-17T04:03:58.65Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-908"],"updated_at":"2026-11-02T14:07:04.6896Z"}],"osv":[{"id":"ASB-A-206718630","description":"In code generated by aidl_const_expressions.cpp, there is a possible out of bounds read due to uninitialized data. This could lead to information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2022-02-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-09T17:04:22.742827Z"}]}}