{"id":"CVE-2004-0816","url":"https://www.cyber-defence.io/tools/cve/CVE-2004-0816","generatedAt":"2026-10-27T17:30:30.472Z","title":"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.","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.","published":"2004-12-23T05:00:00.000Z","lastModified":"2026-06-16T22:06:27.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-191"],"affected":["linux/linux kernel"],"epss":{"score":0.11508,"percentile":0.95992,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2004-11-21","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":24696,"kind":"exploit","title":"Linux Kernel 2.6.x - IPTables Logging Rules Integer Underflow Remote (PoC)","url":"https://www.exploit-db.com/exploits/24696","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/24696.c","file":"exploits/linux/dos/24696.c","published":"2004-11-21","added":"2004-11-21","updated":"2013-03-10","author":"Richard Hart","type":"dos","platform":"linux","port":null,"verified":true,"codes":["CVE-2004-0816","OSVDB-11014"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/11488/info"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 11.5%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://secunia.com/advisories/11202/","tags":["Broken Link"],"source":"cve@mitre.org"},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2005:022","tags":["Broken Link"],"source":"cve@mitre.org"},{"url":"http://www.novell.com/linux/security/advisories/2004_37_kernel.html","tags":["Broken Link"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/11488","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/17800","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/11202/","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2005:022","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.novell.com/linux/security/advisories/2004_37_kernel.html","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/11488","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/17800","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2004-0816","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}