CVE-2017-16820

Description

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).

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 3.52% Top 15%
Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2018:0252 vendor advisory
https://security.gentoo.org/glsa/201803-10 vendor advisory
https://bugs.debian.org/881757 third party advisory issue tracking
https://github.com/collectd/collectd/issues/2291 third party advisory issue tracking
https://access.redhat.com/errata/RHSA-2018:0560 vendor advisory
https://access.redhat.com/errata/RHSA-2018:1605 vendor advisory
https://access.redhat.com/errata/RHSA-2018:2615 vendor advisory
https://access.redhat.com/errata/RHSA-2018:0299 vendor advisory
https://github.com/collectd/collectd/releases/tag/collectd-5.6.3 third party advisory issue tracking
https://github.com/collectd/collectd/commit/d16c24542b2f96a194d43a73c2e5778822b9cb47 patch third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2017-16820?
CVE-2017-16820 has been scored as a critical severity vulnerability.
How to fix CVE-2017-16820?
To fix CVE-2017-16820, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-16820 being actively exploited in the wild?
It is possible that CVE-2017-16820 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.