tcpdump 4.9.0 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via crafted packet data. The crash occurs in the EXTRACT_16BITS function, called from the stp_print function for the Spanning Tree Protocol.
http://www.debian.org/security/2017/dsa-3971
https://access.redhat.com/errata/RHEA-2018:0705
https://bugzilla.redhat.com/show_bug.cgi?id=1468504
Source: MITRE
Published: 2017-07-08
Updated: 2019-10-03
Type: CWE-125
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH