CVE-2019-20892

MEDIUM 6.5CVE-2019-20892 · Published 25/06/2020 · updated 17/06/2026

In short

CVE-2019-20892 is a MEDIUM (CVSS 6.5) vulnerability affecting net-snmp (net-snmp), zfs storage appliance kit (oracle).
Chance of exploitation in the next 30 days (EPSS): 2.3%, higher than 83.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
net-snmp net-snmp	`≤ 5.8`	No fix yet
zfs storage appliance kit oracle	`= 8.8`	No fix yet

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

openwall.com/lists/oss-security/2020/06/25/4 · Exploit
bugs.launchpad.net/ubuntu/+source/net-snmp/+bug/1877027 · Exploit
bugzilla.redhat.com/show_bug.cgi · Exploit
net-snmp/net-snmp commit 5f881d3 · Patch
security.gentoo.org/glsa/202008-12 · Third Party Advisory
sourceforge.net/p/net-snmp/bugs/2923 · Exploit
usn.ubuntu.com/4410-1 · Third Party Advisory
oracle.com/security-alerts/cpujan2021.html · Patch

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Package

Affected versions

Patched versions

net-snmp

≤ 5.8

No fix yet

zfs storage appliance kit

oracle

= 8.8

No fix yet

More vulnerabilities in net-snmp

See all →