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Vulnerability record · CVE-2018-16301 · published 3 October 2019

CVE-2018-16301: Tcpdump integer overflow vulnerability

Tcpdump · Tcpdump

The command-line argument parser in tcpdump before 4.99.0 has a buffer overflow in tcpdump.c:read_infile(). To trigger this vulnerability the attacker needs to create a 4GB file on the local filesystem and to specify the file name as the value of the -F command-line argument of tcpdump.

7.8 CVSS 3.1 High EPSS 0.63% · top 52.1% CWE-190 · Integer overflowCWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score, v2 4.4
0.63%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

The command-line argument parser in tcpdump before 4.99.0 has a buffer overflow in tcpdump.c:read_infile(). To trigger this vulnerability the attacker needs to create a 4GB file on the local filesystem and to specify the file name as the value of the -F command-line argument of tcpdump.

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

Affected products

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

References

LinkTags
https://github.com/the-tcpdump-group/tcpdump/commit/ad7c25bc0decf96dc7768c9e903734d38528b1bd
https://github.com/the-tcpdump-group/tcpdump/commit/ad7c25bc0decf96dc7768c9e903734d38528b1bd

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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-2018-16301), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.