{"id":"CVE-2017-13021","details":"The ICMPv6 parser in tcpdump before 4.9.2 has a buffer over-read in print-icmp6.c:icmp6_print().","modified":"2026-04-16T01:40:58.409187442Z","published":"2017-09-14T06:29:01.997Z","related":["SUSE-SU-2017:2854-1","SUSE-SU-2019:14191-1","openSUSE-SU-2024:11425-1"],"references":[{"type":"WEB","url":"https://support.apple.com/HT208221"},{"type":"ADVISORY","url":"http://www.debian.org/security/2017/dsa-3971"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1039307"},{"type":"ADVISORY","url":"http://www.tcpdump.org/tcpdump-changes.txt"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHEA-2018:0705"},{"type":"ADVISORY","url":"https://github.com/the-tcpdump-group/tcpdump/commit/67c7126062d59729cd421bb38f9594015c9907ba"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201709-23"},{"type":"REPORT","url":"https://github.com/the-tcpdump-group/tcpdump/commit/67c7126062d59729cd421bb38f9594015c9907ba"},{"type":"FIX","url":"https://github.com/the-tcpdump-group/tcpdump/commit/67c7126062d59729cd421bb38f9594015c9907ba"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/the-tcpdump-group/tcpdump","events":[{"introduced":"0"},{"fixed":"67c7126062d59729cd421bb38f9594015c9907ba"}]}],"versions":["tcpdump-3.5.1","tcpdump-3.6.1","tcpdump-3.7.1","tcpdump-3.8-bp","tcpdump-4.5.0","tcpdump-4.6.0","tcpdump-4.6.0-bp","tcpdump-4.7.0-bp","tcpdump-4.9.0-bp"],"database_specific":{"vanir_signatures":[{"target":{"file":"print-icmp6.c"},"digest":{"threshold":0.9,"line_hashes":["83582845347540620492194701955985557803","177568430537303103527377166793235341145","319599135815728648978403099529769882750","328919621073038910447855633331647472840"]},"deprecated":false,"source":"https://github.com/the-tcpdump-group/tcpdump/commit/67c7126062d59729cd421bb38f9594015c9907ba","id":"CVE-2017-13021-52f0872e","signature_type":"Line","signature_version":"v1"},{"target":{"file":"print-icmp6.c","function":"icmp6_print"},"source":"https://github.com/the-tcpdump-group/tcpdump/commit/67c7126062d59729cd421bb38f9594015c9907ba","signature_type":"Function","id":"CVE-2017-13021-fd286838","digest":{"function_hash":"88042001857164022284303757811042837602","length":8138},"deprecated":false,"signature_version":"v1"}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-13021.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}