The HNCP parser in tcpdump before 4.9.3 has a buffer over-read in print-hncp.c:print_prefix().

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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-2018-8080 The HNCP parser in tcpdump before 4.9.3 has a buffer over-read in print-hncp.c:print_prefix().
Ubuntu USN Ubuntu USN USN-4252-1 tcpdump vulnerabilities
Ubuntu USN Ubuntu USN USN-4252-2 tcpdump vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 03 Dec 2025 20:15:00 +0000

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': 'yes', '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-12-03T20:05:56.417Z

Reserved: 2018-08-30T00:00:00.000Z

Link: CVE-2018-16228

cve-icon Vulnrichment

Updated: 2024-08-05T10:17:38.385Z

cve-icon NVD

Status : Modified

Published: 2019-10-03T16:15:12.443

Modified: 2025-12-03T20:16:21.363

Link: CVE-2018-16228

cve-icon Redhat

Severity : Low

Publid Date: 2019-10-02T00:00:00Z

Links: CVE-2018-16228 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses