{"id":"CVE-2012-5237","url":"https://www.cyber-defence.io/tools/cve/CVE-2012-5237","generatedAt":"2026-10-27T17:43:53.609Z","title":"The dissect_hsrp function in epan/dissectors/packet-hsrp.c in the HSRP dissector in Wireshark 1.8.x before 1.8.3 allows remote attackers to cause a denial of service (infinite loop) via a malformed packet.","description":"The dissect_hsrp function in epan/dissectors/packet-hsrp.c in the HSRP dissector in Wireshark 1.8.x before 1.8.3 allows remote attackers to cause a denial of service (infinite loop) via a malformed packet.","published":"2012-10-04T19:55:01.000Z","lastModified":"2026-06-16T23:46:30.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":3.3,"severity":"LOW","vector":"AV:A/AC:L/Au:N/C:N/I:N/A:P"},"cwe":["CWE-399"],"affected":["wireshark/wireshark"],"epss":{"score":0.00887,"percentile":0.59027,"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 (0.89%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-hsrp.c?r1=44454&r2=44453&pathrev=44454","source":"cve@mitre.org"},{"url":"http://anonsvn.wireshark.org/viewvc?view=revision&revision=44454","tags":["Patch"],"source":"cve@mitre.org"},{"url":"http://osvdb.org/85884","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/55754","source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id?1027604","source":"cve@mitre.org"},{"url":"http://www.wireshark.org/security/wnpa-sec-2012-26.html","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7581","source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/79009","source":"cve@mitre.org"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14992","source":"cve@mitre.org"},{"url":"http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-hsrp.c?r1=44454&r2=44453&pathrev=44454","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://anonsvn.wireshark.org/viewvc?view=revision&revision=44454","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://osvdb.org/85884","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/55754","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1027604","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.wireshark.org/security/wnpa-sec-2012-26.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7581","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/79009","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14992","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-5237","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."}