Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2017-16820

Double Free

Published: Nov 14, 2017 | Modified: Apr 20, 2025
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
10 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
5.6 MODERATE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2017-16820
CWEhttps://cwe.mitre.org/data/definitions/415.html

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).

Weakness

The product calls free() twice on the same memory address.

Affected Software

NameVendorStart VersionEnd Version
CollectdCollectd*5.6.3 (excluding)
Red Hat Gluster Storage 3.4 for RHEL 7RedHatcollectd-0:5.7.2-3.1.el7rhgs*
Red Hat OpenStack Platform 10.0 Operational Tools for RHEL 7RedHatcollectd-0:5.8.0-10.el7ost*
Red Hat OpenStack Platform 10.0 Operational Tools for RHEL 7RedHatintel-cmt-cat-0:1.0.1-1.el7ost*
Red Hat OpenStack Platform 11.0 Operational Tools for RHEL 7RedHatcollectd-0:5.7.2-3.el7ost*
Red Hat OpenStack Platform 12.0 Operational Tools for RHEL 7RedHatcollectd-0:5.7.2-3.el7ost*
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7RedHatcollectd-0:5.8.0-3.el7*
Red Hat Virtualization Engine 4.1RedHatcollectd-0:5.8.0-3.el7*
CollectdUbuntuartful*
CollectdUbuntuesm-apps/xenial*
CollectdUbuntuesm-infra-legacy/trusty*
CollectdUbuntutrusty*
CollectdUbuntutrusty/esm*
CollectdUbuntuupstream*
CollectdUbuntuxenial*
CollectdUbuntuzesty*

Potential Mitigations

References

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