{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2021-4186","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","assignerShortName":"GitLab","dateUpdated":"2025-11-03T21:45:19.809Z","dateReserved":"2021-12-27T00:00:00.000Z","datePublished":"2021-12-30T00:00:00.000Z"},"containers":{"cna":{"providerMetadata":{"orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","shortName":"GitLab","dateUpdated":"2022-10-16T00:00:00.000Z"},"descriptions":[{"lang":"en","value":"Crash in the Gryphon dissector in Wireshark 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file"}],"affected":[{"vendor":"Wireshark Foundation","product":"Wireshark","versions":[{"version":">=3.4.0, <3.4.10","status":"affected"}]}],"references":[{"url":"https://www.wireshark.org/security/wnpa-sec-2021-16.html"},{"url":"https://gitlab.com/wireshark/wireshark/-/issues/17737"},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4186.json"},{"name":"FEDORA-2022-a3d70b50f0","tags":["vendor-advisory"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/"},{"name":"FEDORA-2022-1daf93c51d","tags":["vendor-advisory"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/"},{"name":"FEDORA-2022-30411cb3c4","tags":["vendor-advisory"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/"},{"name":"FEDORA-2022-48b86d586f","tags":["vendor-advisory"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/"},{"name":"GLSA-202210-04","tags":["vendor-advisory"],"url":"https://security.gentoo.org/glsa/202210-04"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW","baseScore":6.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"Null pointer dereference in Wireshark"}]}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.wireshark.org/security/wnpa-sec-2021-16.html","tags":["x_transferred"]},{"url":"https://gitlab.com/wireshark/wireshark/-/issues/17737","tags":["x_transferred"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4186.json","tags":["x_transferred"]},{"name":"FEDORA-2022-a3d70b50f0","tags":["vendor-advisory","x_transferred"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/"},{"name":"FEDORA-2022-1daf93c51d","tags":["vendor-advisory","x_transferred"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/"},{"name":"FEDORA-2022-30411cb3c4","tags":["vendor-advisory","x_transferred"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/"},{"name":"FEDORA-2022-48b86d586f","tags":["vendor-advisory","x_transferred"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/"},{"name":"GLSA-202210-04","tags":["vendor-advisory","x_transferred"],"url":"https://security.gentoo.org/glsa/202210-04"},{"url":"https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T21:45:19.809Z"}}]}}