Double Free in Collectd

CVE-2017-16820

The csnmp_read_table function in snmp.c in the SNMP plugin in collectd before 5.6.3 is susceptible to a double free in a certain error case, which could lead to a crash (or potentially have other impact).

Vulnerability class: Double Free

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.040 (90.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-16820: held from 0.040 to 0.040.

EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-16820?
CVE-2017-16820 is a critical-severity vulnerability in Collectd, classified under Double Free. CVSS score: 9.8/10. Published 2017-11-14.
How severe is CVE-2017-16820?
Critical severity. CVSS v3 base score is 9.8 out of 10.