{"id":"CVE-2017-13020","details":"The VTP parser in tcpdump before 4.9.2 has a buffer over-read in print-vtp.c:vtp_print().","modified":"2026-04-16T06:19:42.109757880Z","published":"2017-09-14T06:29:01.967Z","related":["SUSE-SU-2017:2854-1","openSUSE-SU-2024:11425-1"],"references":[{"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://security.gentoo.org/glsa/201709-23"},{"type":"ADVISORY","url":"https://support.apple.com/HT208221"},{"type":"REPORT","url":"https://github.com/the-tcpdump-group/tcpdump/commit/d692d67332bcc90540088ad8e725eb3279e39863"},{"type":"FIX","url":"https://github.com/the-tcpdump-group/tcpdump/commit/c5dd7bef5e54da5996dc4713284aa6266ae75b75"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/the-tcpdump-group/tcpdump","events":[{"introduced":"0"},{"last_affected":"993a67c8e648bc8b19881e29a60f41273cfbee7b"},{"fixed":"c5dd7bef5e54da5996dc4713284aa6266ae75b75"},{"fixed":"d692d67332bcc90540088ad8e725eb3279e39863"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"4.9.1"}]}}],"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","tcpdump-4.9.0-bp","tcpdump-4.9.1"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]}],"vanir_signatures_modified":"2026-04-11T04:47:32Z","source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-13020.json","vanir_signatures":[{"signature_version":"v1","deprecated":false,"source":"https://github.com/the-tcpdump-group/tcpdump/commit/c5dd7bef5e54da5996dc4713284aa6266ae75b75","id":"CVE-2017-13020-026c7220","digest":{"length":3581,"function_hash":"189016524707002346352972255880292324190"},"signature_type":"Function","target":{"function":"vtp_print","file":"print-vtp.c"}},{"signature_version":"v1","deprecated":false,"signature_type":"Line","id":"CVE-2017-13020-2ab6a4b0","digest":{"line_hashes":["125022989782758936635811793572214241896","23704956859129995782856183300742717689","92772574987655080578909755517117719729","274532621181560370364875356327450785170","314179516151983467578521723028472741904","307226669826132609380417879322844317844"],"threshold":0.9},"target":{"file":"print-vtp.c"},"source":"https://github.com/the-tcpdump-group/tcpdump/commit/c5dd7bef5e54da5996dc4713284aa6266ae75b75"}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}