{"id":"CVE-2019-11839","aliases":["EUVD-2019-3502","GHSA-585q-jwfj-chw8"],"status":"published","title":"njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in Array.prototype.push after...","description":"njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in Array.prototype.push after a resize, related to njs_array_prototype_push in njs/njs_array.c, because of njs_array_expand size mishandling.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01643,"percentile":0.76589,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2019-05-09T13:07:38Z","modified":"2026-10-20T10:50:42Z","products":[{"vendor":"f5","product":"njs"}],"references":[{"url":"https://github.com/nginx/njs/issues/152","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-11839"},{"url":"https://github.com/advisories/GHSA-585q-jwfj-chw8"}],"sources":{"cve":[{"id":"CVE-2019-11839","description":"njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in Array.prototype.push after a resize, related to njs_array_prototype_push in njs/njs_array.c, because of njs_array_expand size mishandling.","status":"published","published":"2019-05-09T13:07:38Z","modified":"2024-08-04T23:03:32.822Z","updated_at":"2026-11-02T14:20:26.416173Z"}],"euvd":[{"id":"EUVD-2019-3502","description":"njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in Array.prototype.push after a resize, related to njs_array_prototype_push in njs/njs_array.c, because of njs_array_expand size mishandling.","status":"published","published":"2019-05-09T13:07:38Z","modified":"2024-08-04T23:03:32Z","updated_at":"2026-11-03T02:40:47.960625Z"}],"ghsa":[{"id":"GHSA-585q-jwfj-chw8","title":"njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in Array.prototype.push after...","description":"njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in Array.prototype.push after a resize, related to njs_array_prototype_push in njs/njs_array.c, because of njs_array_expand size mishandling.","status":"published","published":"2022-05-24T16:45:24Z","modified":"2023-01-28T05:05:26Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:44:20.513282Z"}],"nvd":[{"id":"CVE-2019-11839","description":"njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in Array.prototype.push after a resize, related to njs_array_prototype_push in njs/njs_array.c, because of njs_array_expand size mishandling.","status":"published","published":"2019-05-09T14:29:00.637Z","modified":"2026-06-17T02:13:43.27Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/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":"2026-11-02T14:05:13.880207Z"}],"osv":[{"id":"CVE-2019-11839","description":"njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in Array.prototype.push after a resize, related to njs_array_prototype_push in njs/njs_array.c, because of njs_array_expand size mishandling.","status":"published","published":"2019-05-09T14:29:00.637Z","modified":"2026-10-20T10:50:42.206393896Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:10.718934Z"}]}}