{"schema_version":"1.7.5","id":"CVE-2020-26422","published":"2020-12-21T18:15:15.477Z","modified":"2026-07-08T05:55:59.568953617Z","related":["SUSE-SU-2021:2125-1","openSUSE-SU-2021:0909-1","openSUSE-SU-2021:2125-1","openSUSE-SU-2024:11513-1"],"details":"Buffer overflow in QUIC dissector in Wireshark 3.4.0 to 3.4.1 allows denial of service via packet injection or crafted capture file","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wireshark/wireshark","events":[{"introduced":"9733f173ea5e6255e8da208ef183210aa264d948"},{"last_affected":"1a27f405875f528a58763e9053afeea558d0537a"}],"database_specific":{"cpe":["cpe:2.3:a:wireshark:wireshark:3.4.0:*:*:*:*:*:*:*","cpe:2.3:a:wireshark:wireshark:3.4.1:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"3.4.0"},{"last_affected":"3.4.0"},{"introduced":"3.4.1"},{"last_affected":"3.4.1"}],"source":"CPE_STRING"}}],"versions":["3.4.0","3.4.1","wireshark-3.4.1","v3.4.1","v3.4.1rc0","wireshark-3.4.0","v3.4.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26422.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.com/wireshark/wireshark","events":[{"introduced":"9733f173ea5e6255e8da208ef183210aa264d948"},{"last_affected":"1a27f405875f528a58763e9053afeea558d0537a"}],"database_specific":{"cpe":["cpe:2.3:a:wireshark:wireshark:3.4.0:*:*:*:*:*:*:*","cpe:2.3:a:wireshark:wireshark:3.4.1:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"3.4.0"},{"last_affected":"3.4.0"},{"introduced":"3.4.1"},{"last_affected":"3.4.1"}],"source":"CPE_STRING"}}],"versions":["3.4.0","3.4.1","wireshark-3.4.1","v3.4.1","v3.4.1rc0","wireshark-3.4.0","v3.4.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26422.json"}}],"references":[{"type":"ADVISORY","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26422.json"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202101-12"},{"type":"ADVISORY","url":"https://www.wireshark.org/security/wnpa-sec-2020-20.html"},{"type":"REPORT","url":"https://gitlab.com/wireshark/wireshark/-/issues/17073"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuApr2021.html"}],"database_specific":{"unresolved_ranges":[{"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"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}