{"id":"CVE-2026-22904","aliases":["EUVD-2026-6924","GHSA-p2hc-xm25-6rh8"],"status":"published","title":"Stack Overflow via Oversized Cookie Fields in lighttpd","description":"Improper length handling when parsing multiple cookie fields (including TRACKID) allows an unauthenticated remote attacker to send oversized cookie values and trigger a stack buffer overflow, resulting in a denial‑of‑service condition and possible remote code execution.","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":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00643,"percentile":0.51111,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2026-02-09T07:40:00Z","modified":"2026-06-17T10:20:35Z","products":[{"vendor":"wago","product":"0852-1322"},{"vendor":"wago","product":"0852-1328"}],"references":[{"url":"https://certvde.com/de/advisories/VDE-2026-004"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22904"},{"url":"https://github.com/advisories/GHSA-p2hc-xm25-6rh8"}],"sources":{"cve":[{"id":"CVE-2026-22904","title":"Stack Overflow via Oversized Cookie Fields in lighttpd","description":"Improper length handling when parsing multiple cookie fields (including TRACKID) allows an unauthenticated remote attacker to send oversized cookie values and trigger a stack buffer overflow, resulting in a denial‑of‑service condition and possible remote code execution.","status":"published","published":"2026-02-09T07:40:00.484Z","modified":"2026-02-09T15:34:53.334Z","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":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T13:39:16.730222Z"}],"euvd":[{"id":"EUVD-2026-6924","description":"Improper length handling when parsing multiple cookie fields (including TRACKID) allows an unauthenticated remote attacker to send oversized cookie values and trigger a stack buffer overflow, resulting in a denial‑of‑service condition and possible remote code execution.","status":"published","published":"2026-02-09T07:40:00Z","modified":"2026-02-09T15:34:53Z","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"}],"updated_at":"2026-11-02T19:48:42.465921Z"}],"ghsa":[{"id":"GHSA-p2hc-xm25-6rh8","title":"Improper length handling when parsing multiple cookie fields (including TRACKID) allows an...","description":"Improper length handling when parsing multiple cookie fields (including TRACKID) allows an unauthenticated remote attacker to send oversized cookie values and trigger a stack buffer overflow, resulting in a denial‑of‑service condition and possible remote code execution.","status":"published","published":"2026-02-09T09:30:21Z","modified":"2026-02-09T09:30:28Z","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"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:06:05.991559Z"}],"nvd":[{"id":"CVE-2026-22904","description":"Improper length handling when parsing multiple cookie fields (including TRACKID) allows an unauthenticated remote attacker to send oversized cookie values and trigger a stack buffer overflow, resulting in a denial‑of‑service condition and possible remote code execution.","status":"published","published":"2026-02-09T08:16:11.387Z","modified":"2026-06-17T10:20:35.41Z","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":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:12:05.52517Z"}]}}