{"id":"CVE-2004-0816","aliases":["EUVD-2004-0814","GHSA-g36g-xcjc-mwvj"],"status":"published","title":"Integer underflow in the firewall logging rules for iptables in Linux before 2.6.8 allows remote...","description":"Integer underflow in the firewall logging rules for iptables in Linux before 2.6.8 allows remote attackers to cause a denial of service (application crash) via a malformed IP packet.","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":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.11508,"percentile":0.9605,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-191"],"published":"2004-10-26T04:00:00Z","modified":"2026-06-16T22:06:26Z","exploits":[{"source":"exploitdb","id":"EDB-24696","title":"Linux Kernel 2.6.x - IPTables Logging Rules Integer Underflow Remote (PoC)","type":"dos","platform":"linux","date":"2004-11-21","verified":true,"url":"https://www.exploit-db.com/exploits/24696"}],"products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://secunia.com/advisories/11202/","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Broken Link"]},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2005:022","tags":["vendor-advisory","x_refsource_MANDRAKE","x_transferred","Broken Link"]},{"url":"http://www.novell.com/linux/security/advisories/2004_37_kernel.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Broken Link"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/17800","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/11488","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-0816"},{"url":"http://secunia.com/advisories/11202"},{"url":"https://github.com/advisories/GHSA-g36g-xcjc-mwvj"}],"sources":{"cve":[{"id":"CVE-2004-0816","description":"Integer underflow in the firewall logging rules for iptables in Linux before 2.6.8 allows remote attackers to cause a denial of service (application crash) via a malformed IP packet.","status":"published","published":"2004-10-26T04:00:00Z","modified":"2024-08-08T00:31:47.041Z","updated_at":"2026-11-02T14:34:54.758165Z"}],"euvd":[{"id":"EUVD-2004-0814","description":"Integer underflow in the firewall logging rules for iptables in Linux before 2.6.8 allows remote attackers to cause a denial of service (application crash) via a malformed IP packet.","status":"published","published":"2004-10-26T04:00:00Z","modified":"2024-08-08T00:31:47Z","updated_at":"2026-11-03T01:15:17.778038Z"}],"ghsa":[{"id":"GHSA-g36g-xcjc-mwvj","title":"Integer underflow in the firewall logging rules for iptables in Linux before 2.6.8 allows remote...","description":"Integer underflow in the firewall logging rules for iptables in Linux before 2.6.8 allows remote attackers to cause a denial of service (application crash) via a malformed IP packet.","status":"published","published":"2022-04-29T02:58:25Z","modified":"2025-04-03T04:03:43Z","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-191"],"updated_at":"2026-11-02T15:00:39.470148Z"}],"nvd":[{"id":"CVE-2004-0816","description":"Integer underflow in the firewall logging rules for iptables in Linux before 2.6.8 allows remote attackers to cause a denial of service (application crash) via a malformed IP packet.","status":"published","published":"2004-12-23T05:00:00Z","modified":"2026-06-16T22:06:26.873Z","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":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T14:00:51.985436Z"}]}}