{"id":"CVE-2021-4190","state":"PUBLISHED","title":"Large loop in the Kafka dissector in Wireshark 3.6.0 allows denial of service via packet injection or crafted capture file","description":"Large loop in the Kafka dissector in Wireshark 3.6.0 allows denial of service via packet injection or crafted capture file","publishedAt":"2021-12-30T00:00:00.000Z","updatedAt":"2025-11-03T21:45:24.052Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitLab"},"assigner":"GitLab","products":["Wireshark Foundation Wireshark"],"affected":[{"vendor":"Wireshark Foundation","product":"Wireshark","versions":[{"version":"=3.6.0","status":"affected"}]}],"references":["https://www.wireshark.org/security/wnpa-sec-2021-22.html","https://gitlab.com/wireshark/wireshark/-/issues/17811","https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4190.json","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/","https://security.gentoo.org/glsa/202210-04","https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:23.890Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/4xxx/CVE-2021-4190.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-4190","state":"PUBLISHED","datePublished":"2021-12-30T00:00:00.000Z","dateUpdated":"2025-11-03T21:45:24.052Z","assignerShortName":"GitLab","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateReserved":"2021-12-29T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Large loop in the Kafka dissector in Wireshark 3.6.0 allows denial of service via packet injection or crafted capture file"}],"affected":[{"vendor":"Wireshark Foundation","product":"Wireshark","versions":[{"version":"=3.6.0","status":"affected"}]}],"references":[{"url":"https://www.wireshark.org/security/wnpa-sec-2021-22.html"},{"url":"https://gitlab.com/wireshark/wireshark/-/issues/17811"},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4190.json"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/","name":"FEDORA-2022-1daf93c51d","tags":["vendor-advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/","name":"FEDORA-2022-30411cb3c4","tags":["vendor-advisory"]},{"url":"https://security.gentoo.org/glsa/202210-04","name":"GLSA-202210-04","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"Excessive iteration in Wireshark"}]}],"providerMetadata":{"shortName":"GitLab","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateUpdated":"2022-10-16T00:00:00.000Z"},"credits":[{"lang":"en","value":"Sharon Brizinov"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.wireshark.org/security/wnpa-sec-2021-22.html","tags":["x_transferred"]},{"url":"https://gitlab.com/wireshark/wireshark/-/issues/17811","tags":["x_transferred"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4190.json","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/","name":"FEDORA-2022-1daf93c51d","tags":["vendor-advisory","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/","name":"FEDORA-2022-30411cb3c4","tags":["vendor-advisory","x_transferred"]},{"url":"https://security.gentoo.org/glsa/202210-04","name":"GLSA-202210-04","tags":["vendor-advisory","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T21:45:24.052Z"}}]}}}