{"id":"CVE-2018-16452","details":"The SMB parser in tcpdump before 4.9.3 has stack exhaustion in smbutil.c:smb_fdata() via recursion.","modified":"2026-04-16T04:40:01.528029929Z","published":"2019-10-03T16:15:12.803Z","related":["SUSE-SU-2019:14191-1","SUSE-SU-2019:2674-1","SUSE-SU-2020:3360-1","openSUSE-SU-2019:2344-1","openSUSE-SU-2019:2348-1","openSUSE-SU-2024:11425-1"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/"},{"type":"WEB","url":"https://seclists.org/bugtraq/2019/Dec/23"},{"type":"WEB","url":"https://seclists.org/bugtraq/2019/Oct/28"},{"type":"WEB","url":"https://usn.ubuntu.com/4252-2/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/"},{"type":"WEB","url":"https://usn.ubuntu.com/4252-1/"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html"},{"type":"WEB","url":"https://support.apple.com/kb/HT210788"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html"},{"type":"WEB","url":"http://seclists.org/fulldisclosure/2019/Dec/26"},{"type":"ADVISORY","url":"https://www.debian.org/security/2019/dsa-4547"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20200120-0001/"},{"type":"ADVISORY","url":"https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES"},{"type":"FIX","url":"https://github.com/the-tcpdump-group/tcpdump/commit/24182d959f661327525a20d9a94c98a8ec016778"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/the-tcpdump-group/tcpdump","events":[{"introduced":"0"},{"fixed":"d9a693b043262f1999ee7aba28acadfd0f77cc38"},{"fixed":"24182d959f661327525a20d9a94c98a8ec016778"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"4.9.3"}]}}],"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","tcpdump-4.9.2"],"database_specific":{"vanir_signatures":[{"target":{"file":"smbutil.c"},"signature_type":"Line","id":"CVE-2018-16452-8cee2404","digest":{"threshold":0.9,"line_hashes":["47701217873412167495166016656518889386","36974076840470573766651075701661087988","208563996260179577381131519374144831011","234526865333329858746992185399913069569"]},"signature_version":"v1","deprecated":false,"source":"https://github.com/the-tcpdump-group/tcpdump/commit/24182d959f661327525a20d9a94c98a8ec016778"},{"signature_type":"Function","id":"CVE-2018-16452-eb08f6e3","target":{"file":"smbutil.c","function":"smb_fdata"},"digest":{"length":1354,"function_hash":"335627280371783606764285831172798020035"},"signature_version":"v1","deprecated":false,"source":"https://github.com/the-tcpdump-group/tcpdump/commit/24182d959f661327525a20d9a94c98a8ec016778"}],"vanir_signatures_modified":"2026-04-11T14:54:31Z","source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-16452.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}