{"id":"CVE-2021-22235","aliases":["ALPINE-CVE-2021-22235","AZL-7407","DEBIAN-CVE-2021-22235","DLA-2849-1","DSA-5019-1","EUVD-2021-9381","GHSA-c9h4-m6h9-v7wx","MGASA-2021-0364","SUSE-SU-2021:3017-1","UBUNTU-CVE-2021-22235","openSUSE-SU-2021:1276-1","openSUSE-SU-2021:3017-1","openSUSE-SU-2024:11513-1"],"status":"published","title":"Crash in DNP dissector in Wireshark 3.4.0 to 3.4.6 and 3.2.0 to 3.2.14 allows denial of service...","description":"Crash in DNP dissector in Wireshark 3.4.0 to 3.4.6 and 3.2.0 to 3.2.14 allows denial of service via packet injection or crafted capture file","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0343,"percentile":0.89098,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-835"],"published":"2021-07-20T00:00:00Z","modified":"2026-11-03T06:32:27Z","fixes":[{"ecosystem":"Alpine:v3.14","package":"wireshark","fixed_in":["3.4.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"wireshark","fixed_in":["3.4.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"wireshark","fixed_in":["3.4.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"wireshark","fixed_in":["3.4.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"wireshark","fixed_in":["3.4.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"wireshark","fixed_in":["3.4.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"wireshark","fixed_in":["3.4.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"wireshark","fixed_in":["3.4.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"wireshark","fixed_in":["3.4.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"wireshark","fixed_in":["3.4.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"wireshark","fixed_in":["3.4.7-r0"],"sources":["osv"]},{"ecosystem":"Azure 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file\n(CVE-2021-22235).\n","status":"published","published":"2021-07-21T12:18:13Z","modified":"2026-04-16T04:42:28.687924987Z","updated_at":"2026-11-02T15:49:41.509337Z"},{"id":"openSUSE-SU-2021:1276-1","title":"Security update for wireshark","description":"This update for wireshark fixes the following issues:\n\n- Update to Wireshark 3.4.7\n\n- CVE-2021-22235: Fixed DNP dissector crash (bsc#1188375).\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2021-09-16T10:07:21Z","modified":"2026-02-04T03:37:16.337347Z","updated_at":"2026-11-02T16:58:32.266854Z"},{"id":"openSUSE-SU-2021:3017-1","title":"Security update for wireshark","description":"This update for wireshark fixes the following issues:\n\n- Update to Wireshark 3.4.7\n\n- CVE-2021-22235: Fixed DNP dissector crash (bsc#1188375).\n","status":"published","published":"2021-09-13T07:13:34Z","modified":"2026-02-04T03:22:03.449605Z","updated_at":"2026-11-02T16:58:32.266854Z"},{"id":"openSUSE-SU-2024:11513-1","title":"libwireshark14-3.4.8-1.2 on GA media","description":"These are all security issues fixed in the libwireshark14-3.4.8-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:58:40.825311Z","updated_at":"2026-11-02T16:58:35.195147Z"},{"id":"SUSE-SU-2021:3017-1","title":"Security update for wireshark","description":"This update for wireshark fixes the following issues:\n\n- Update to Wireshark 3.4.7\n\n- CVE-2021-22235: Fixed DNP dissector crash (bsc#1188375).\n","status":"published","published":"2021-09-13T07:13:29Z","modified":"2025-05-02T04:10:32.529896Z","updated_at":"2026-11-02T15:53:49.605187Z"}]}}