← Vulnerability feed

Vulnerability record · CVE-2018-16452 · published 3 October 2019

CVE-2018-16452: Tcpdump vulnerability

Tcpdump · Tcpdump

The SMB parser in tcpdump before 4.9.3 has stack exhaustion in smbutil.c:smb_fdata() via recursion.

7.5 CVSS 3.1 High EPSS 4.1% · top 9.5% CWE-674 · CWE-674
7.5CVSS 3.1 base score, v2 5.0
4.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
32References
17 Jun 2026Last modified by NVD

Description

The SMB parser in tcpdump before 4.9.3 has stack exhaustion in smbutil.c:smb_fdata() via recursion.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html
http://seclists.org/fulldisclosure/2019/Dec/26
https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES Release NotesThird Party Advisory
https://github.com/the-tcpdump-group/tcpdump/commit/24182d959f661327525a20d9a94c98a8ec016778 PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQ
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDX
https://seclists.org/bugtraq/2019/Dec/23
https://seclists.org/bugtraq/2019/Oct/28
https://security.netapp.com/advisory/ntap-20200120-0001/
https://support.apple.com/kb/HT210788
https://usn.ubuntu.com/4252-1/
https://usn.ubuntu.com/4252-2/
https://www.debian.org/security/2019/dsa-4547
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html
http://seclists.org/fulldisclosure/2019/Dec/26
https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES Release NotesThird Party Advisory
https://github.com/the-tcpdump-group/tcpdump/commit/24182d959f661327525a20d9a94c98a8ec016778 PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQ
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDX
https://seclists.org/bugtraq/2019/Dec/23
https://seclists.org/bugtraq/2019/Oct/28
https://security.netapp.com/advisory/ntap-20200120-0001/
https://support.apple.com/kb/HT210788
https://usn.ubuntu.com/4252-1/
https://usn.ubuntu.com/4252-2/
https://www.debian.org/security/2019/dsa-4547

Track CVE-2018-16452 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2018-10103Tcpdump improper input validation vulnerabilitytcpdump before 4.9.3 mishandles the printing of SMB data (issue 1 of 2).EPSS 4.1%9.8CVE-2018-10105Tcpdump improper input validation vulnerabilitytcpdump before 4.9.3 mishandles the printing of SMB data (issue 2 of 2).EPSS 3.9%9.8CVE-2017-13049Tcpdump out-of-bounds read vulnerabilityThe Rx protocol parser in tcpdump before 4.9.2 has a buffer over-read in print-rx.c:ubik_print().EPSS 3.4%9.8CVE-2017-13050Tcpdump out-of-bounds read vulnerabilityThe RPKI-Router parser in tcpdump before 4.9.2 has a buffer over-read in print-rpki-rtr.c:rpki_rtr_pdu_print().EPSS 4.6%9.8CVE-2017-13051Tcpdump out-of-bounds read vulnerabilityThe RSVP parser in tcpdump before 4.9.2 has a buffer over-read in print-rsvp.c:rsvp_obj_print().EPSS 3.7%9.8CVE-2017-13052Tcpdump out-of-bounds read vulnerabilityThe CFM parser in tcpdump before 4.9.2 has a buffer over-read in print-cfm.c:cfm_print().EPSS 3.4%9.8CVE-2017-13053Tcpdump out-of-bounds read vulnerabilityThe BGP parser in tcpdump before 4.9.2 has a buffer over-read in print-bgp.c:decode_rt_routing_info().EPSS 3.2%9.8CVE-2017-13054Tcpdump out-of-bounds read vulnerabilityThe LLDP parser in tcpdump before 4.9.2 has a buffer over-read in print-lldp.c:lldp_private_8023_print().EPSS 3.2%

Source: NIST National Vulnerability Database (record CVE-2018-16452), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.