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High 7.8Published Oct 3, 2019

CVE-2018-16301The command-line argument parser in tcpdump before 4.99.0 has a buffer overflow in tcpdump.c:read_infile().

Updated under an hour ago ()

Does this affect you?

It affects The Tcpdump Group tcpdump and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-190, CWE-787
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Tcpdump
NVD analysis
Modified
Record last updated
Oct 8, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
The Tcpdump Group tcpdump
tcpdump_group:tcpdump (from the name)
from unspecified before 4.99.0
CNA record
tcpdump tcpdump
tcpdump:tcpdump
before 4.99.0
NVD

References

  • x-refsource-confirm

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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