{"id":"CVE-2018-9261","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-9261","generatedAt":"2026-10-28T20:46:04.222Z","title":"In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the NBAP dissector could crash with a large loop that ends with a heap-based buffer overflow.","description":"In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the NBAP dissector could crash with a large loop that ends with a heap-based buffer overflow. This was addressed in epan/dissectors/packet-nbap.c by prohibiting the self-linking of DCH-IDs.","published":"2018-04-04T07:29:01.000Z","lastModified":"2026-06-17T02:06:19.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-834"],"affected":["wireshark/wireshark","debian/debian linux"],"epss":{"score":0.02839,"percentile":0.86588,"date":"2026-10-27","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 (2.84%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14471","tags":["Exploit","Issue Tracking","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=66bc372716e04d6a8afdf6712583c9b5d11fee55","source":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2018/05/msg00019.html","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.debian.org/security/2018/dsa-4217","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.wireshark.org/security/wnpa-sec-2018-18.html","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14471","tags":["Exploit","Issue Tracking","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=66bc372716e04d6a8afdf6712583c9b5d11fee55","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2018/05/msg00019.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2018/dsa-4217","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.wireshark.org/security/wnpa-sec-2018-18.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-9261","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."}