{"id":"CVE-2011-2597","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-2597","generatedAt":"2026-10-27T22:04:28.070Z","title":"The Lucent/Ascend file parser in Wireshark 1.2.x before 1.2.18, 1.4.x through 1.4.7, and 1.6.0 allows remote attackers to cause a denial of service (infinite loop) via malformed packets.","description":"The Lucent/Ascend file parser in Wireshark 1.2.x before 1.2.18, 1.4.x through 1.4.7, and 1.6.0 allows remote attackers to cause a denial of service (infinite loop) via malformed packets.","published":"2011-07-07T19:55:03.000Z","lastModified":"2026-06-16T23:31:37.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":4.3,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P"},"cwe":["CWE-399"],"affected":["wireshark/wireshark"],"epss":{"score":0.02496,"percentile":0.84565,"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 (2.50%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-August/063586.html","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-August/063591.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00021.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00022.html","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/45086","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/45574","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/48947","source":"cve@mitre.org"},{"url":"http://securitytracker.com/id?1025738","source":"cve@mitre.org"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:118","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/48506","source":"cve@mitre.org"},{"url":"http://www.wireshark.org/security/wnpa-sec-2011-09.html","source":"cve@mitre.org"},{"url":"http://www.wireshark.org/security/wnpa-sec-2011-10.html","source":"cve@mitre.org"},{"url":"http://www.wireshark.org/security/wnpa-sec-2011-11.html","source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/68335","source":"cve@mitre.org"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14794","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-August/063586.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-August/063591.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00021.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00022.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/45086","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/45574","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/48947","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securitytracker.com/id?1025738","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:118","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/48506","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.wireshark.org/security/wnpa-sec-2011-09.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.wireshark.org/security/wnpa-sec-2011-10.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.wireshark.org/security/wnpa-sec-2011-11.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/68335","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14794","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-2597","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."}