{"id":"CVE-2007-1030","url":"https://www.cyber-defence.io/tools/cve/CVE-2007-1030","generatedAt":"2026-10-27T18:33:43.242Z","title":"Niels Provos libevent 1.2 and 1.2a allows remote attackers to cause a denial of service (infinite loop) via a DNS response containing a label pointer that references its own offset.","description":"Niels Provos libevent 1.2 and 1.2a allows remote attackers to cause a denial of service (infinite loop) via a DNS response containing a label pointer that references its own offset.","published":"2007-02-21T11:28:00.000Z","lastModified":"2026-06-16T22:36:48.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.8,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C"},"cwe":[],"affected":["niels provos/libevent"],"epss":{"score":0.03107,"percentile":0.87688,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://monkey.org/~provos/libevent/","source":"cve@mitre.org"},{"url":"http://osvdb.org/33228","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/24181","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://securityreason.com/securityalert/2268","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/460530/100/0/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/22606","tags":["Patch"],"source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2007/0647","source":"cve@mitre.org"},{"url":"http://monkey.org/~provos/libevent/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://osvdb.org/33228","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/24181","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securityreason.com/securityalert/2268","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/460530/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/22606","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2007/0647","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2007-1030","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."}