{"action":"Upgrade wireshark to 3.6.0-1 or later.","affected":[{"fixed":"3.6.0-1","introduced":"0"}],"component":"wireshark","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["3.6.0-1"],"id":"tcs_01M5NFYJEXJKZ0TWPZP3MW1DXX","modified_at":"2026-10-23T18:05:23.081375365Z","published_at":"2021-11-18T19:15:08.467Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-39928","https://security-tracker.debian.org/tracker/CVE-2021-39928"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-39928","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-39928"}],"summary":"NULL pointer exception in the IEEE 802.11 dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file"}