CVE-2017-13687: tcpdump: Buffer over-read in print-chdlc.c:chdlc_print() in Cisco HDLC parser

Severity: Critical

CVSS Score: 9.8

The Cisco HDLC parser in tcpdump before 4.9.2 has a buffer over-read in print-chdlc.c:chdlc_print().