{"id":"CVE-2023-21076","aliases":["A-261857623","EUVD-2023-25244","GHSA-ww9v-392g-mw7p","PUB-A-261857623"],"status":"published","title":"In createTransmitFollowupRequest of nan.cpp, there is a possible out of bounds write due to a...","description":"In createTransmitFollowupRequest of nan.cpp, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-261857623References: N/A","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00096,"percentile":0.00692,"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":":unknown:","fixed_in":[":2023-03-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":":0"},{"fixed":":2023-03-05"}]}],"versions":["Device specific"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/pixel/2023-03-01","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21076"},{"url":"https://github.com/advisories/GHSA-ww9v-392g-mw7p"},{"url":"https://source.android.com/security/bulletin/2023-03-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-21076","description":"In createTransmitFollowupRequest of nan.cpp, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-261857623References: N/A","status":"published","published":"2023-03-24T00:00:00Z","modified":"2025-02-20T15:41:23.998Z","updated_at":"2026-11-02T14:35:19.959682Z"}],"euvd":[{"id":"EUVD-2023-25244","description":"In createTransmitFollowupRequest of nan.cpp, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-261857623References: N/A","status":"published","published":"2023-03-24T00:00:00Z","modified":"2025-02-20T15:41:23Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"none"}],"updated_at":"2026-11-02T20:53:26.353093Z"}],"ghsa":[{"id":"GHSA-ww9v-392g-mw7p","title":"In createTransmitFollowupRequest of nan.cpp, there is a possible out of bounds write due to a...","description":"In createTransmitFollowupRequest of nan.cpp, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-261857623References: N/A","status":"published","published":"2023-03-24T21:30:53Z","modified":"2023-03-30T03:30:39Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:54:25.211321Z"}],"nvd":[{"id":"CVE-2023-21076","description":"In createTransmitFollowupRequest of nan.cpp, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-261857623References: N/A","status":"published","published":"2023-03-24T20:15:15.19Z","modified":"2026-06-17T05:31:45.787Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:50.908252Z"}],"osv":[{"id":"PUB-A-261857623","description":"In createTransmitFollowupRequest of nan.cpp, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2023-03-01T00:00:00Z","modified":"2026-11-09T16:40:10.884737887Z","updated_at":"2026-11-10T17:35:08.408541Z"}]}}