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Vulnerability record · CVE-2018-16227 · published 3 October 2019

CVE-2018-16227: Tcpdump out-of-bounds read vulnerability

Tcpdump · Tcpdump

The IEEE 802.11 parser in tcpdump before 4.9.3 has a buffer over-read in print-802_11.c for the Mesh Flags subfield.

7.5 CVSS 3.1 High EPSS 6.8% · top 6.2% CWE-125 · Out-of-bounds read
7.5CVSS 3.1 base score, v2 5.0
6.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
32References
17 Jun 2026Last modified by NVD

Description

The IEEE 802.11 parser in tcpdump before 4.9.3 has a buffer over-read in print-802_11.c for the Mesh Flags subfield.

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

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html Third Party Advisory
http://seclists.org/fulldisclosure/2019/Dec/26 Mailing ListThird Party Advisory
https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES Release NotesThird Party Advisory
https://github.com/the-tcpdump-group/tcpdump/commit/4846b3c5d0a850e860baf4f07340495d29837d09 PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQ
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDX
https://seclists.org/bugtraq/2019/Dec/23 Mailing ListThird Party Advisory
https://seclists.org/bugtraq/2019/Oct/28 Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20200120-0001/
https://support.apple.com/kb/HT210788 Third Party Advisory
https://usn.ubuntu.com/4252-1/
https://usn.ubuntu.com/4252-2/
https://www.debian.org/security/2019/dsa-4547 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html Third Party Advisory
http://seclists.org/fulldisclosure/2019/Dec/26 Mailing ListThird Party Advisory
https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES Release NotesThird Party Advisory
https://github.com/the-tcpdump-group/tcpdump/commit/4846b3c5d0a850e860baf4f07340495d29837d09 PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQ
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDX
https://seclists.org/bugtraq/2019/Dec/23 Mailing ListThird Party Advisory
https://seclists.org/bugtraq/2019/Oct/28 Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20200120-0001/
https://support.apple.com/kb/HT210788 Third Party Advisory
https://usn.ubuntu.com/4252-1/
https://usn.ubuntu.com/4252-2/
https://www.debian.org/security/2019/dsa-4547 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-16227), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.