CVE-2019-20892

MEDIUM

Net-snmp < 5.8 - Double Free

Title source: rule
STIX 2.1

Description

net-snmp before 5.8.1.pre1 has a double free in usm_free_usmStateReference in snmplib/snmpusm.c via an SNMPv3 GetBulk request. NOTE: this affects net-snmp packages shipped to end users by multiple Linux distributions, but might not affect an upstream release.

References (8)

Core 8
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://bugs.launchpad.net/ubuntu/+source/net-snmp/+bug/1877027
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1663027
Exploit, Third Party Advisory x_refsource_misc
https://sourceforge.net/p/net-snmp/bugs/2923/
Exploit, Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2020/06/25/4
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4410-1/
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202008-12
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujan2021.html

Scores

CVSS v3 6.5
EPSS 0.0050
EPSS Percentile 66.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-415
Status published
Products (2)
net-snmp/net-snmp < 5.8
oracle/zfs_storage_appliance_kit 8.8
Published Jun 25, 2020
Tracked Since Feb 18, 2026