{"id":"CVE-2022-20203","aliases":["EUVD-2022-25463","GHSA-8jvx-gwwj-j77h","UBUNTU-CVE-2022-20203"],"status":"published","title":"In multiple locations of the nanopb library, there is a possible way to corrupt memory when...","description":"In multiple locations of the nanopb library, there is a possible way to corrupt memory when decoding untrusted protobuf files. This could lead to local escalation of privilege,with no additional execution privileges needed. User interaction is not needed for exploitation.","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":"2026-11-10","score":0.00129,"percentile":0.0256,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2022-06-15T21:50:11Z","modified":"2026-10-17T12:56:01Z","affected":[{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"nanopb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.1-1","0.4.1-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"nanopb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.4-2","0.4.5-1","0.4.5-2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"nanopb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.7-2","0.4.7-3","0.4.8-1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"nanopb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.9.1-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"nanopb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.9.1-1build1","0.4.9.1-2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"nanopb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.9.1-1","0.4.9.1-1build1"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/android-12l","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-20203"},{"url":"https://github.com/advisories/GHSA-8jvx-gwwj-j77h"},{"url":"https://ubuntu.com/security/CVE-2022-20203","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-20203","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2022-20203","description":"In multiple locations of the nanopb library, there is a possible way to corrupt memory when decoding untrusted protobuf files. This could lead to local escalation of privilege,with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2022-06-15T21:50:11Z","modified":"2024-08-03T02:02:31.042Z","updated_at":"2026-11-02T14:34:24.627322Z"}],"euvd":[{"id":"EUVD-2022-25463","description":"In multiple locations of the nanopb library, there is a possible way to corrupt memory when decoding untrusted protobuf files. This could lead to local escalation of privilege,with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2022-06-15T21:50:11Z","modified":"2024-08-03T02:02:31Z","updated_at":"2026-11-03T03:25:55.413177Z"}],"ghsa":[{"id":"GHSA-8jvx-gwwj-j77h","title":"In multiple locations of the nanopb library, there is a possible way to corrupt memory when...","description":"In multiple locations of the nanopb library, there is a possible way to corrupt memory when decoding untrusted protobuf files. This could lead to local escalation of privilege,with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2022-06-16T00:00:19Z","modified":"2023-01-27T05:04:14Z","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"}],"updated_at":"2026-11-02T14:42:25.149797Z"}],"nvd":[{"id":"CVE-2022-20203","description":"In multiple locations of the nanopb library, there is a possible way to corrupt memory when decoding untrusted protobuf files. This could lead to local escalation of privilege,with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2022-06-15T22:15:12.907Z","modified":"2026-06-17T04:23:53.047Z","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"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:22.232533Z"}],"osv":[{"id":"UBUNTU-CVE-2022-20203","description":"In multiple locations of the nanopb library, there is a possible way to corrupt memory when decoding untrusted protobuf files. This could lead to local escalation of privilege,with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2022-06-15T22:15:00Z","modified":"2026-10-17T12:56:01.756934982Z","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"}],"updated_at":"2026-11-02T16:53:52.391598Z"}]}}