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

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

Name Vendor Start Version End Version
Collectd Collectd * 5.6.3 (excluding)
Red Hat Gluster Storage 3.4 for RHEL 7 RedHat collectd-0:5.7.2-3.1.el7rhgs *
Red Hat OpenStack Platform 10.0 Operational Tools for RHEL 7 RedHat collectd-0:5.8.0-10.el7ost *
Red Hat OpenStack Platform 10.0 Operational Tools for RHEL 7 RedHat intel-cmt-cat-0:1.0.1-1.el7ost *
Red Hat OpenStack Platform 11.0 Operational Tools for RHEL 7 RedHat collectd-0:5.7.2-3.el7ost *
Red Hat OpenStack Platform 12.0 Operational Tools for RHEL 7 RedHat collectd-0:5.7.2-3.el7ost *
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 RedHat collectd-0:5.8.0-3.el7 *
Red Hat Virtualization Engine 4.1 RedHat collectd-0:5.8.0-3.el7 *
Collectd Ubuntu artful *
Collectd Ubuntu esm-apps/xenial *
Collectd Ubuntu esm-infra-legacy/trusty *
Collectd Ubuntu trusty *
Collectd Ubuntu trusty/esm *
Collectd Ubuntu upstream *
Collectd Ubuntu xenial *
Collectd Ubuntu zesty *

Potential Mitigations

References