CVE-2018-16227
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.82%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 6.82% probability · 94th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- tcpdump/tcpdump · apple/mac os x · debian/debian linux · fedoraproject/fedora · opensuse/leap · redhat/enterprise linux
- Source
- cve@mitre.org
EPSS 6.8% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.htmlThird 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/4846b3c5d0a850e860baf4f07340495d29837d09Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00015.htmlThird 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/
- https://support.apple.com/kb/HT210788Third Party Advisory
- https://usn.ubuntu.com/4252-1/
- https://usn.ubuntu.com/4252-2/
- https://www.debian.org/security/2019/dsa-4547Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.htmlThird 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/4846b3c5d0a850e860baf4f07340495d29837d09Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00015.htmlThird 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/
- https://support.apple.com/kb/HT210788Third Party Advisory
- https://usn.ubuntu.com/4252-1/
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.