{"id":"CVE-2022-1841","aliases":["EUVD-2022-25117","GHSA-5c3j-p8cr-2pgh"],"status":"published","title":"Out-of-bound write in tcp_flags","description":"In subsys/net/ip/tcp.c , function tcp_flags , when the incoming parameter flags is ECN or CWR , the buf will out-of-bounds write a byte zero.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00585,"percentile":0.48254,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2022-08-31T19:40:08Z","modified":"2026-10-28T02:30:34Z","products":[{"vendor":"zephyrproject","product":"zephyr"},{"vendor":"zephyrproject-rtos","product":"zephyr"}],"references":[{"url":"http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-5c3j-p8cr-2pgh","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/1xxx/CVE-2022-1841.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-1841","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-1841","title":"Out-of-bound write in tcp_flags","description":"In subsys/net/ip/tcp.c , function tcp_flags , when the incoming parameter flags is ECN or CWR , the buf will out-of-bounds write a byte zero.","status":"published","published":"2022-08-31T19:40:08.845Z","modified":"2024-09-16T22:14:38.965Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:34:38.581997Z"}],"euvd":[{"id":"EUVD-2022-25117","description":"In subsys/net/ip/tcp.c , function tcp_flags , when the incoming parameter flags is ECN or CWR , the buf will out-of-bounds write a byte zero.","status":"published","published":"2022-08-31T19:40:08Z","modified":"2024-09-16T22:14:38Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L","level":"high"}],"updated_at":"2026-11-03T00:55:04.822795Z"}],"nvd":[{"id":"CVE-2022-1841","description":"In subsys/net/ip/tcp.c , function tcp_flags , when the incoming parameter flags is ECN or CWR , the buf will out-of-bounds write a byte zero.","status":"published","published":"2022-08-31T20:15:08.537Z","modified":"2026-06-17T04:23:12.6Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:26.802986Z"}],"osv":[{"id":"CVE-2022-1841","title":"Out-of-bound write in tcp_flags","description":"In subsys/net/ip/tcp.c , function tcp_flags , when the incoming parameter flags is ECN or CWR , the buf will out-of-bounds write a byte zero.","status":"published","published":"2022-08-31T19:40:08.845Z","modified":"2026-10-28T02:30:34.046372982Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:44:23.245966Z"}]}}