{"id":"CVE-2021-4183","details":"Crash in the pcapng file parser in Wireshark 3.6.0 allows denial of service via crafted capture file","modified":"2026-07-08T06:00:43.922759301Z","published":"2021-12-30T22:15:10.247Z","related":["SUSE-SU-2022:0375-1","openSUSE-SU-2022:0375-1","openSUSE-SU-2024:11703-1"],"database_specific":{"unresolved_ranges":[{"source":"CPE_STRING","vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"34"},{"last_affected":"34"},{"introduced":"35"},{"last_affected":"35"}]},{"cpes":["cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:*","cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"12.2.1.3.0"},{"last_affected":"12.2.1.3.0"},{"introduced":"12.2.1.4.0"},{"last_affected":"12.2.1.4.0"}],"source":"CPE_STRING","vendor_product":"oracle:http_server"},{"cpes":["cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.8"},{"last_affected":"8.8"}],"source":"CPE_STRING","vendor_product":"oracle:zfs_storage_appliance_kit"}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/"},{"type":"ADVISORY","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4183.json"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202210-04"},{"type":"ADVISORY","url":"https://www.wireshark.org/security/wnpa-sec-2021-19.html"},{"type":"FIX","url":"https://gitlab.com/wireshark/wireshark/-/issues/17755"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wireshark/wireshark","events":[{"introduced":"3a34e44d02c9c91f9f851bd6f29ff4505131b127"},{"last_affected":"3a34e44d02c9c91f9f851bd6f29ff4505131b127"}],"database_specific":{"extracted_events":[{"introduced":"3.6.0"},{"last_affected":"3.6.0"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:wireshark:wireshark:3.6.0:*:*:*:*:*:*:*"}}],"versions":["3.6.0","wireshark-3.6.0","v3.6.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-4183.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.com/wireshark/wireshark","events":[{"introduced":"3a34e44d02c9c91f9f851bd6f29ff4505131b127"},{"last_affected":"3a34e44d02c9c91f9f851bd6f29ff4505131b127"}],"database_specific":{"cpe":"cpe:2.3:a:wireshark:wireshark:3.6.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.6.0"},{"last_affected":"3.6.0"}],"source":"CPE_STRING"}}],"versions":["3.6.0","wireshark-3.6.0","v3.6.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-4183.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}