{"id":"CVE-2020-0306","aliases":["EUVD-2020-1809","GHSA-2v24-jcvm-2w9j"],"status":"published","title":"In LLVM, there is a possible ineffective stack cookie placement due to stack frame double...","description":"In LLVM, there is a possible ineffective stack cookie placement due to stack frame double reservation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-139666480","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00171,"percentile":0.06485,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2020-09-17T20:52:08Z","modified":"2026-06-17T02:45:35Z","products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/android-11","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-0306"},{"url":"https://github.com/advisories/GHSA-2v24-jcvm-2w9j"}],"sources":{"cve":[{"id":"CVE-2020-0306","description":"In LLVM, there is a possible ineffective stack cookie placement due to stack frame double reservation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-139666480","status":"published","published":"2020-09-17T20:52:08Z","modified":"2024-08-04T05:55:12.869Z","updated_at":"2026-11-02T14:35:59.434367Z"}],"euvd":[{"id":"EUVD-2020-1809","description":"In LLVM, there is a possible ineffective stack cookie placement due to stack frame double reservation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-139666480","status":"published","published":"2020-09-17T20:52:08Z","modified":"2024-08-04T05:55:12Z","updated_at":"2026-11-03T03:08:20.772437Z"}],"ghsa":[{"id":"GHSA-2v24-jcvm-2w9j","title":"In LLVM, there is a possible ineffective stack cookie placement due to stack frame double...","description":"In LLVM, there is a possible ineffective stack cookie placement due to stack frame double reservation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-139666480","status":"published","published":"2022-05-24T17:28:37Z","modified":"2023-01-29T05:04:07Z","cwes":["CWE-269"],"updated_at":"2026-11-02T14:45:28.498835Z"}],"nvd":[{"id":"CVE-2020-0306","description":"In LLVM, there is a possible ineffective stack cookie placement due to stack frame double reservation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-139666480","status":"published","published":"2020-09-17T21:15:14.003Z","modified":"2026-06-17T02:45:35.173Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:15.83396Z"}]}}