Out-of-bounds Read in Tcpdump

CVE-2017-13026

The ISO IS-IS parser in tcpdump before 4.9.2 has a buffer over-read in print-isoclns.c, several functions.

Vulnerability class: Buffer Overflow

EPSS: 0.032 (87.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-13026?
CVE-2017-13026 is a critical-severity vulnerability in Tcpdump, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2017-09-14.
How severe is CVE-2017-13026?
Critical severity. CVSS v3 base score is 9.8 out of 10.