{"schema_version":"1.7.5","id":"CVE-2020-26420","published":"2020-12-11T19:15:12.293Z","modified":"2026-07-08T05:53:53.577203738Z","related":["SUSE-SU-2021:2125-1","openSUSE-SU-2021:0909-1","openSUSE-SU-2021:2125-1","openSUSE-SU-2024:11513-1"],"details":"Memory leak in RTPS protocol dissector in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wireshark/wireshark","events":[{"introduced":"e0ed4cfa3d72110257da54c26ad3a28d282ef454"},{"last_affected":"8c208b7f257de50613e1e6a09a5b221f284883a0"},{"introduced":"9733f173ea5e6255e8da208ef183210aa264d948"},{"last_affected":"9733f173ea5e6255e8da208ef183210aa264d948"}],"database_specific":{"cpe":["cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*","cpe:2.3:a:wireshark:wireshark:3.4.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"3.2.0"},{"last_affected":"3.2.8"},{"introduced":"3.4.0"},{"last_affected":"3.4.0"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["3.4.0","wireshark-3.2.8","v3.2.8","wireshark-3.4.0","v3.4.0","v3.2.8rc0","wireshark-3.2.7","v3.2.7","v3.2.7rc0","wireshark-3.2.6","v3.2.6","v3.2.6rc0","wireshark-3.2.5","v3.2.5","v3.2.5rc0","wireshark-3.2.4","v3.2.4","v3.2.4rc0","wireshark-3.2.3","v3.2.3","v3.2.3rc0","wireshark-3.2.2","v3.2.2","v3.2.2rc0","wireshark-3.2.1","v3.2.1","v3.2.1rc0","wireshark-3.2.0","v3.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26420.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.com/wireshark/wireshark","events":[{"introduced":"e0ed4cfa3d72110257da54c26ad3a28d282ef454"},{"last_affected":"8c208b7f257de50613e1e6a09a5b221f284883a0"},{"introduced":"9733f173ea5e6255e8da208ef183210aa264d948"},{"last_affected":"9733f173ea5e6255e8da208ef183210aa264d948"}],"database_specific":{"cpe":["cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*","cpe:2.3:a:wireshark:wireshark:3.4.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"3.2.0"},{"last_affected":"3.2.8"},{"introduced":"3.4.0"},{"last_affected":"3.4.0"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["3.4.0","wireshark-3.2.8","v3.2.8","wireshark-3.4.0","v3.4.0","v3.2.8rc0","wireshark-3.2.7","v3.2.7","v3.2.7rc0","wireshark-3.2.6","v3.2.6","v3.2.6rc0","wireshark-3.2.5","v3.2.5","v3.2.5rc0","wireshark-3.2.4","v3.2.4","v3.2.4rc0","wireshark-3.2.3","v3.2.3","v3.2.3rc0","wireshark-3.2.2","v3.2.2","v3.2.2rc0","wireshark-3.2.1","v3.2.1","v3.2.1rc0","wireshark-3.2.0","v3.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26420.json"}}],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M75HYXU36SP6GHIDPHNZGJKEO6TX4C4Y/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHWDZPWQJMLK64VFDWJC5SEGPNH6Y72Z/"},{"type":"ADVISORY","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26420.json"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202101-12"},{"type":"ADVISORY","url":"https://www.wireshark.org/security/wnpa-sec-2020-18.html"},{"type":"REPORT","url":"https://gitlab.com/wireshark/wireshark/-/issues/16994"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuApr2021.html"}],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"32"},{"last_affected":"32"},{"introduced":"33"},{"last_affected":"33"}],"source":"CPE_STRING","vendor_product":"fedoraproject:fedora"},{"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"}]}