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CVE-2018-14464

26
FAUCET Score

CVE-2018-14464 is a buffer over-read vulnerability in the LMP parser of tcpdump versions prior to 4.9.3, specifically within the print-lmp.c:lmp_print_data_link_subobjs() function. This flaw affects multiple operating systems and distributions, including Apple, Debian, Fedora, OpenSUSE, and Red Hat. With a CVSS score of 7.5 (High), it can be exploited remotely without user interaction, leading to a denial of service. There is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.9.3CPE matchmatch criteria
cpe:2.3:a:tcpdump:tcpdump:*:*:*:*:*:*:*:*
< 10.15.2CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.98%
Probability of exploitation in next 30 days
EPSS Percentile
89.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0398 is in the 81st percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: tcpdump-14:4.9.3-1.el8
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: tcpdump

Vendor Advisories (1)

redhatCVE-2018-14464Low

tcpdump: Buffer over-read in lmp_print_data_link_subobjs() function in print-lmp.c

Oct 2, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-10/msg00050.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2019-10/msg00053.html
Third Party Advisory
seclists.org / fulldisclosure/2019/Dec/26
Mailing ListThird Party Advisory
github.com / the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES
Release NotesThird Party Advisory
github.com / the-tcpdump-group/tcpdump/commit/d97e94223720684c6aa740ff219e0d19426c2220
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2019/10/msg00015.html
Third Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU
seclists.org / bugtraq/2019/Dec/23
Mailing ListThird Party Advisory
seclists.org / bugtraq/2019/Oct/28
Mailing ListThird Party Advisory
security.netapp.com / advisory/ntap-20200120-0001
support.apple.com / kb/HT210788
Third Party Advisory
usn.ubuntu.com / 4252-1
usn.ubuntu.com / 4252-2
debian.org / security/2019/dsa-4547
Third Party Advisory