{"id":"CVE-2008-4748","url":"https://www.cyber-defence.io/tools/cve/CVE-2008-4748","generatedAt":"2026-10-27T18:32:51.151Z","title":"Format string vulnerability in the URI handler in KVirc 3.4.0, when set as the default application for processing IRC URIs, allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via format string…","description":"Format string vulnerability in the URI handler in KVirc 3.4.0, when set as the default application for processing IRC URIs, allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via format string specifiers in the irc:// URI.","published":"2008-10-27T20:00:02.000Z","lastModified":"2026-06-16T22:58:26.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.6,"severity":"HIGH","vector":"AV:N/AC:H/Au:N/C:C/I:C/A:C"},"cwe":["CWE-20"],"affected":["kvirc/kvirc"],"epss":{"score":0.08158,"percentile":0.94818,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2008-10-24","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":6832,"kind":"exploit","title":"KVIrc 3.4.0 - Virgo Remote Format String (PoC)","url":"https://www.exploit-db.com/exploits/6832","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/dos/6832.html","file":"exploits/windows/dos/6832.html","published":"2008-10-24","added":"2008-10-23","updated":null,"author":"LiquidWorm","type":"dos","platform":"windows","port":null,"verified":true,"codes":["OSVDB-49352","CVE-2008-4748"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 8.2%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"http://secunia.com/advisories/32410","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://securityreason.com/securityalert/4508","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/31912","source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2008/2926","source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/46114","source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/6832","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/32410","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securityreason.com/securityalert/4508","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/31912","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2008/2926","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/46114","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/6832","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2008-4748","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."}