{ "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" } } ] } }