{"action":"Upgrade wireshark to 3.4.7-1 or later.","affected":[{"fixed":"3.4.7-1","introduced":"0"}],"component":"wireshark","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["3.4.7-1"],"id":"tcs_01M5NFE4NNKPJ0Z40BNN2NMCVC","modified_at":"2026-10-23T18:04:49.374523128Z","published_at":"2021-07-20T12:15:07.707Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-22235","https://security-tracker.debian.org/tracker/CVE-2021-22235"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-22235","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-22235"}],"summary":"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"}