{"id":"CVE-2021-29999","aliases":["EUVD-2021-16458","GHSA-pjw5-hf2q-wg7j"],"status":"published","title":"An issue was discovered in Wind River VxWorks through 6.8. There is a possible stack overflow in...","description":"An issue was discovered in Wind River VxWorks through 6.8. There is a possible stack overflow in dhcp server.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.03099,"percentile":0.87935,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-04-13T16:26:55Z","modified":"2026-06-17T03:48:35Z","products":[{"vendor":"windriver","product":"vxworks"}],"references":[{"url":"https://support2.windriver.com/index.php?page=security-notices","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29999"},{"url":"https://github.com/advisories/GHSA-pjw5-hf2q-wg7j"}],"sources":{"cve":[{"id":"CVE-2021-29999","description":"An issue was discovered in Wind River VxWorks through 6.8. There is a possible stack overflow in dhcp server.","status":"published","published":"2021-04-13T16:26:55Z","modified":"2024-08-03T22:24:59.53Z","updated_at":"2026-11-02T14:33:06.658806Z"}],"euvd":[{"id":"EUVD-2021-16458","description":"An issue was discovered in Wind River VxWorks through 6.8. There is a possible stack overflow in dhcp server.","status":"published","published":"2021-04-13T16:26:55Z","modified":"2024-08-03T22:24:59Z","updated_at":"2026-11-03T03:24:43.413555Z"}],"ghsa":[{"id":"GHSA-pjw5-hf2q-wg7j","title":"An issue was discovered in Wind River VxWorks through 6.8. There is a possible stack overflow in...","description":"An issue was discovered in Wind River VxWorks through 6.8. There is a possible stack overflow in dhcp server.","status":"published","published":"2022-05-24T17:47:29Z","modified":"2023-01-29T05:07:16Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:09.625645Z"}],"nvd":[{"id":"CVE-2021-29999","description":"An issue was discovered in Wind River VxWorks through 6.8. There is a possible stack overflow in dhcp server.","status":"published","published":"2021-04-13T17:15:12.357Z","modified":"2026-06-17T03:48:35.027Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:51.610648Z"}]}}