{"id":"CVE-2025-14769","aliases":["EUVD-2025-208405","GHSA-qx99-h65p-8xpj"],"status":"published","title":"ipfw denial of service","description":"In some cases, the `tcp-setmss` handler may free the packet data and throw an error without halting the rule processing engine.  A subsequent rule can then allow the traffic after the packet data is gone, resulting in a NULL pointer dereference.\n\nMaliciously crafted packets sent from a remote host may result in a Denial of Service (DoS) if the `tcp-setmss` directive is used and a subsequent rule would allow the traffic to pass.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.01236,"percentile":0.6944,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2026-03-09T11:34:52Z","modified":"2026-06-17T08:36:32Z","products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-25:11.ipfw.asc","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-14769"},{"url":"https://github.com/advisories/GHSA-qx99-h65p-8xpj"}],"sources":{"cve":[{"id":"CVE-2025-14769","title":"ipfw denial of service","description":"In some cases, the `tcp-setmss` handler may free the packet data and throw an error without halting the rule processing engine.  A subsequent rule can then allow the traffic after the packet data is gone, resulting in a NULL pointer dereference.\n\nMaliciously crafted packets sent from a remote host may result in a Denial of Service (DoS) if the `tcp-setmss` directive is used and a subsequent rule would allow the traffic to pass.","status":"published","published":"2026-03-09T11:34:52.386Z","modified":"2026-03-09T13:30:18.204Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:32:28.621398Z"}],"euvd":[{"id":"EUVD-2025-208405","description":"In some cases, the `tcp-setmss` handler may free the packet data and throw an error without halting the rule processing engine.  A subsequent rule can then allow the traffic after the packet data is gone, resulting in a NULL pointer dereference.\n\nMaliciously crafted packets sent from a remote host may result in a Denial of Service (DoS) if the `tcp-setmss` directive is used and a subsequent rule would allow the traffic to pass.","status":"published","published":"2026-03-09T11:34:52Z","modified":"2026-03-09T13:30:18Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T19:48:07.128863Z"}],"ghsa":[{"id":"GHSA-qx99-h65p-8xpj","title":"In some cases, the `tcp-setmss` handler may free the packet data and throw an error without...","description":"In some cases, the `tcp-setmss` handler may free the packet data and throw an error without halting the rule processing engine.  A subsequent rule can then allow the traffic after the packet data is gone, resulting in a NULL pointer dereference.\n\nMaliciously crafted packets sent from a remote host may result in a Denial of Service (DoS) if the `tcp-setmss` directive is used and a subsequent rule would allow the traffic to pass.","status":"published","published":"2026-03-09T12:31:39Z","modified":"2026-03-09T15:30:47Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:06:30.929454Z"}],"nvd":[{"id":"CVE-2025-14769","description":"In some cases, the `tcp-setmss` handler may free the packet data and throw an error without halting the rule processing engine.  A subsequent rule can then allow the traffic after the packet data is gone, resulting in a NULL pointer dereference.\n\nMaliciously crafted packets sent from a remote host may result in a Denial of Service (DoS) if the `tcp-setmss` directive is used and a subsequent rule would allow the traffic to pass.","status":"published","published":"2026-03-09T12:16:11.28Z","modified":"2026-06-17T08:36:32.107Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:12:01.096037Z"}]}}