{"id":"CVE-2021-4181","details":"Crash in the Sysdig Event dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file","modified":"2026-04-02T07:34:27.439241Z","published":"2021-12-30T22:15:10.117Z","related":["MGASA-2022-0004","SUSE-SU-2022:0375-1","openSUSE-SU-2022:0375-1","openSUSE-SU-2024:11703-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html"},{"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-2021-4181.json"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/03/msg00041.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202210-04"},{"type":"ADVISORY","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"type":"ADVISORY","url":"https://www.wireshark.org/security/wnpa-sec-2021-21.html"},{"type":"REPORT","url":"https://gitlab.com/wireshark/wireshark/-/merge_requests/5429"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wireshark/wireshark","events":[{"introduced":"9733f173ea5e6255e8da208ef183210aa264d948"},{"fixed":"482f742aac7019e26eacadaf9d56a788207ae229"},{"introduced":"0"},{"last_affected":"3a34e44d02c9c91f9f851bd6f29ff4505131b127"}],"database_specific":{"versions":[{"introduced":"3.4.0"},{"fixed":"3.4.11"},{"introduced":"0"},{"last_affected":"3.6.0"}]}}],"versions":["2.2.1rc0","NCP_sync_with_greg-20020218","NCP_sync_with_greg-20020330","POST_Novell_NCP_branch_MERGE","PRE_Novell_NCP_branch_MERGE","backups/Novell_NCP_branch@18706","backups/ethereal@18706","backups/master-0.99.2@18755","backups/master-0.99.3@19109","backups/master-0.99.4@19765","backups/master-0.99.5@21263","backups/master-0.99.6@22326","backups/master-0.99.7@24033","backups/master-0.99.8@24544","backups/master-1.0@18703","backups/win32-native@18706","ethereal-0-3-15","ethereal-0-3-16","ethereal-0-3-17","ethereal-0-5-0","ethereal-0-5-1","ethereal-0-6-0","ethereal-0-6-1","ethereal-0-6-2","ethereal-0-7-0","ethereal-0-7-1","ethereal-0-7-2","ethereal-0-7-3","ethereal-0-7-4","ethereal-0-7-5","ethereal-0-7-6","ethereal-0-7-7","ethereal-0-7-8","ethereal-0-7-9","ethereal-0.10.0","ethereal-0.10.0a","ethereal-0.10.1","ethereal-0.10.10","ethereal-0.10.11","ethereal-0.10.12","ethereal-0.10.13","ethereal-0.10.14","ethereal-0.10.2","ethereal-0.10.3","ethereal-0.10.4","ethereal-0.10.5","ethereal-0.10.6","ethereal-0.10.7","ethereal-0.10.8","ethereal-0.10.9","ethereal-0.3.15","ethereal-0.3.16","ethereal-0.3.17","ethereal-0.5.0","ethereal-0.5.1","ethereal-0.6.0","ethereal-0.6.1","ethereal-0.6.2","ethereal-0.7.0","ethereal-0.7.1","ethereal-0.7.2","ethereal-0.7.3","ethereal-0.7.4","ethereal-0.7.5","ethereal-0.7.6","ethereal-0.7.7","ethereal-0.7.8","ethereal-0.7.9","ethereal-0.8.0","ethereal-0.8.1","ethereal-0.8.10","ethereal-0.8.11","ethereal-0.8.12","ethereal-0.8.13","ethereal-0.8.14","ethereal-0.8.14a","ethereal-0.8.15","ethereal-0.8.16","ethereal-0.8.17","ethereal-0.8.18","ethereal-0.8.19","ethereal-0.8.2","ethereal-0.8.20","ethereal-0.8.3","ethereal-0.8.4","ethereal-0.8.5","ethereal-0.8.6","ethereal-0.8.6a","ethereal-0.8.7","ethereal-0.8.8","ethereal-0.8.9","ethereal-0.9.0","ethereal-0.9.1","ethereal-0.9.10","ethereal-0.9.11","ethereal-0.9.12","ethereal-0.9.13","ethereal-0.9.13a","ethereal-0.9.14","ethereal-0.9.15","ethereal-0.9.16","ethereal-0.9.2","ethereal-0.9.4","ethereal-0.9.5","ethereal-0.9.6","ethereal-0.9.7","ethereal-0.9.8","ethereal-0.9.9","ethereal-0.99.0","release-0-10-0","release-0-10-0a","release-0-8-0","release-0-8-1","release-0-8-10","release-0-8-11","release-0-8-12","release-0-8-13","release-0-8-14","release-0-8-14-1","release-0-8-15","release-0-8-16","release-0-8-17","release-0-8-18","release-0-8-19","release-0-8-2","release-0-8-20","release-0-8-3","release-0-8-4","release-0-8-5","release-0-8-6","release-0-8-6-real","release-0-8-7","release-0-8-8","release-0-8-9","release-0-9-0","release-0-9-1","release-0-9-10","release-0-9-11","release-0-9-12","release-0-9-13","release-0-9-13a","release-0-9-14","release-0-9-15","release-0-9-16","release-0-9-2","release-0-9-4","release-0-9-5","release-0-9-6","release-0-9-7","release-0-9-8","release-0-9-9","ssv0.9.0","ssv0.9.0rc0","ssv0.9.0rc1","ssv0.9.1","ssv0.9.2","ssv0.9.2rc0","ssv0.9.3","ssv0.9.3rc0","ssv0.9.4rc0","start","v1.10.0","v1.10.0-rc1","v1.10.1","v1.10.1-rc1","v1.10.10","v1.10.10rc0","v1.10.11","v1.10.11rc0","v1.10.12","v1.10.12rc0","v1.10.13","v1.10.13rc0","v1.10.14","v1.10.14rc0","v1.10.15rc0","v1.10.2","v1.10.2-rc1","v1.10.3","v1.10.3-rc1","v1.10.4","v1.10.4-rc1","v1.10.5","v1.10.5-rc1","v1.10.6","v1.10.6-rc1","v1.10.7","v1.10.7-rc1","v1.10.8","v1.10.8-rc1","v1.10.9","v1.10.9-rc1","v1.11.0","v1.11.0-rc1","v1.11.1","v1.11.1-rc1","v1.11.2","v1.11.2-rc1","v1.11.3","v1.11.3-rc1","v1.11.4-rc1","v1.12.0","v1.12.0-rc1","v1.12.0-rc2","v1.12.0r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