CVE-2018-16451

tcpdump: Buffer over-read in print_trans() function in print-smb.c

Published Oct 3, 2019 CVSS 3.1 · 9.8 Critical EPSS 4.0% KEV · Not listed
Description
The SMB parser in tcpdump before 4.9.3 has buffer over-reads in print-smb.c:print_trans() for \MAILSLOT\BROWSE and \PIPE\LANMAN.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1955-1 tcpdump security update
Debian DSA Debian DSA DSA-4547-1 tcpdump security update
EUVD EUVD EUVD-2018-8291 The SMB parser in tcpdump before 4.9.3 has buffer over-reads in print-smb.c:print_trans() for \MAILSLOT\BROWSE and \PIPE\LANMAN.
Ubuntu USN Ubuntu USN USN-4252-1 tcpdump vulnerabilities
Ubuntu USN Ubuntu USN USN-4252-2 tcpdump vulnerabilities
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Metrics epss

{'score': 0.01218}

epss

{'score': 0.00438}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Dec 3, 2025, 7:29 PM
Reserved
Sep 3, 2018, 12:00 AM
Status
Modified
Published
Oct 3, 2019, 4:15 PM
Modified
Jun 17, 2026, 1:44 AM
Severity
Low
Public date
Oct 2, 2019, 12:00 AM