HOME VULNERABILITIESCVE-2019-15166

HIGH

CVE-2019-15166

CWE-120Published: October 3, 2019· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

lmp_print_data_link_subobjs() in print-lmp.c in tcpdump before 4.9.3 lacks certain bounds checks.

Technical Analysis

CVE-2019-15166 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Affected Vendors & Products

Apple1 product(s)

mac os x

Canonical1 product(s)

ubuntu linux

Debian1 product(s)

debian linux

Fedora1 product(s)

fedora

netapp3 product(s)

cloud backuphci management nodesolidfire

openSUSE1 product(s)

leap

Red Hat1 product(s)

enterprise linux

tcpdump1 product(s)

tcpdump

Source: NVD CPE · 19 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time

Offensive Security exploit database

GitHub PoC Search

Community PoC repositories

Rapid7 / Metasploit

Metasploit module search

Security advisories & exploits

Official NIST entry

CVE Program entry

External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/the-tcpdump-group/tcpdump/commit/0b661e0aa61850234b64394585cf577aac570bf4

PATCHhttps://github.com/the-tcpdump-group/tcpdump/commit/0b661e0aa61850234b64394585cf577aac570bf4

ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html

ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html

ADVISORYhttp://seclists.org/fulldisclosure/2019/Dec/26

ADVISORYhttps://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES

ADVISORYhttps://lists.debian.org/debian-lts-announce/2019/10/msg00015.html

ADVISORYhttps://seclists.org/bugtraq/2019/Dec/23

ADVISORYhttps://seclists.org/bugtraq/2019/Oct/28

ADVISORYhttps://security.netapp.com/advisory/ntap-20200120-0001/

ADVISORYhttps://support.apple.com/kb/HT210788

ADVISORYhttps://usn.ubuntu.com/4252-1/

ADVISORYhttps://usn.ubuntu.com/4252-2/

ADVISORYhttps://www.debian.org/security/2019/dsa-4547

ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html

ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html

ADVISORYhttp://seclists.org/fulldisclosure/2019/Dec/26

ADVISORYhttps://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES

ADVISORYhttps://lists.debian.org/debian-lts-announce/2019/10/msg00015.html

ADVISORYhttps://seclists.org/bugtraq/2019/Dec/23

ADVISORYhttps://seclists.org/bugtraq/2019/Oct/28

ADVISORYhttps://security.netapp.com/advisory/ntap-20200120-0001/

ADVISORYhttps://support.apple.com/kb/HT210788

ADVISORYhttps://usn.ubuntu.com/4252-1/

ADVISORYhttps://usn.ubuntu.com/4252-2/

ADVISORYhttps://www.debian.org/security/2019/dsa-4547

All References (32)

→

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.htmlMailing List · Third Party Advisory

→

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.htmlMailing List · Third Party Advisory

→

http://seclists.org/fulldisclosure/2019/Dec/26Mailing List · Third Party Advisory

→

https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGESRelease Notes · Third Party Advisory

→

https://github.com/the-tcpdump-group/tcpdump/commit/0b661e0aa61850234b64394585cf577aac570bf4Patch · Third Party Advisory

→

https://lists.debian.org/debian-lts-announce/2019/10/msg00015.htmlMailing List · Third Party Advisory

→

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/

→

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/

→

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/

→

https://seclists.org/bugtraq/2019/Dec/23Mailing List · Third Party Advisory

→

https://seclists.org/bugtraq/2019/Oct/28Mailing List · Third Party Advisory

→

https://security.netapp.com/advisory/ntap-20200120-0001/Third Party Advisory

→

https://support.apple.com/kb/HT210788Third Party Advisory

→

https://usn.ubuntu.com/4252-1/Third Party Advisory

→

https://usn.ubuntu.com/4252-2/Third Party Advisory

Quick Facts

CVE IDCVE-2019-15166

CVSS Score7.5 / 10

SeverityHIGH

WeaknessCWE-120

CISA KEVNo

Affected8 vendor(s)

PublishedOct 3, 2019

Related CVEs (CWE-120)

Recommended Actions

→Apply vendor patches immediately
→Monitor CVE-2019-15166 in threat intel feeds
→Review IDS/IPS signatures for exploitation attempts

Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.

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