{"id":"CVE-2007-4643","url":"https://www.cyber-defence.io/tools/cve/CVE-2007-4643","generatedAt":"2026-10-27T20:51:14.103Z","title":"Integer underflow in Doomsday (aka deng) 1.9.0-beta5.1 and earlier allows remote attackers to cause a denial of service (daemon crash) via a PKT_CHAT packet with a data length less than 3, which triggers an erroneous malloc, possibly related to the…","description":"Integer underflow in Doomsday (aka deng) 1.9.0-beta5.1 and earlier allows remote attackers to cause a denial of service (daemon crash) via a PKT_CHAT packet with a data length less than 3, which triggers an erroneous malloc, possibly related to the Sv_HandlePacket function in sv_main.c.","published":"2007-08-31T23:17:00.000Z","lastModified":"2026-06-16T22:44:30.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":["CWE-119"],"affected":["doomsday/doomsday"],"epss":{"score":0.0215,"percentile":0.82001,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (2.15%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://aluigi.org/poc/dumsdei.zip","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://bugs.gentoo.org/show_bug.cgi?id=190835","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/26524","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/28821","source":"cve@mitre.org"},{"url":"http://security.gentoo.org/glsa/glsa-200802-02.xml","source":"cve@mitre.org"},{"url":"http://securityreason.com/securityalert/3084","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/478077/100/0/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/25483","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/36338","source":"cve@mitre.org"},{"url":"http://aluigi.org/poc/dumsdei.zip","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://bugs.gentoo.org/show_bug.cgi?id=190835","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/26524","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/28821","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://security.gentoo.org/glsa/glsa-200802-02.xml","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securityreason.com/securityalert/3084","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/478077/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/25483","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/36338","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2007-4643","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."}