{"id":"CVE-2017-12998","details":"The IS-IS parser in tcpdump before 4.9.2 has a buffer over-read in print-isoclns.c:isis_print_extd_ip_reach().","modified":"2026-04-16T06:15:22.683165337Z","published":"2017-09-14T06:29:01.043Z","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":"WEB","url":"http://www.securitytracker.com/id/1039307"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201709-23"},{"type":"ADVISORY","url":"http://www.debian.org/security/2017/dsa-3971"},{"type":"ADVISORY","url":"http://www.tcpdump.org/tcpdump-changes.txt"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHEA-2018:0705"},{"type":"FIX","url":"https://github.com/the-tcpdump-group/tcpdump/commit/979dcefd7b259e9e233f77fe1c5312793bfd948f"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/the-tcpdump-group/tcpdump","events":[{"introduced":"0"},{"last_affected":"993a67c8e648bc8b19881e29a60f41273cfbee7b"},{"fixed":"979dcefd7b259e9e233f77fe1c5312793bfd948f"}],"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":{"vanir_signatures_modified":"2026-04-11T04:47:29Z","source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-12998.json","vanir_signatures":[{"signature_version":"v1","signature_type":"Function","deprecated":false,"id":"CVE-2017-12998-3029c6d8","target":{"function":"isis_print_extd_ip_reach","file":"print-isoclns.c"},"source":"https://github.com/the-tcpdump-group/tcpdump/commit/979dcefd7b259e9e233f77fe1c5312793bfd948f","digest":{"length":2097,"function_hash":"4700251838482651931333855815825044859"}},{"signature_version":"v1","deprecated":false,"source":"https://github.com/the-tcpdump-group/tcpdump/commit/979dcefd7b259e9e233f77fe1c5312793bfd948f","id":"CVE-2017-12998-52adde6e","target":{"file":"print-isoclns.c"},"signature_type":"Line","digest":{"threshold":0.9,"line_hashes":["316813098404573189331629809169371758446","35480589520905794696450125076201941446","64094114878927935827241812548677571668","129605050368975718814600418391387225143"]}}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}