{"id":"CVE-2019-20892","details":"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.","modified":"2026-05-17T11:53:56.948468287Z","published":"2020-06-25T10:15:10.667Z","database_specific":{"unresolved_ranges":[{"vendor_product":"oracle:zfs_storage_appliance_kit","cpes":["cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*"],"extracted_events":[{"last_affected":"8.8"}],"source":"CPE_FIELD"}]},"references":[{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202008-12"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4410-1/"},{"type":"REPORT","url":"https://bugs.launchpad.net/ubuntu/+source/net-snmp/+bug/1877027"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1663027"},{"type":"FIX","url":"https://github.com/net-snmp/net-snmp/commit/5f881d3bf24599b90d67a45cae7a3eb099cd71c9"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpujan2021.html"},{"type":"EVIDENCE","url":"http://www.openwall.com/lists/oss-security/2020/06/25/4"},{"type":"EVIDENCE","url":"https://sourceforge.net/p/net-snmp/bugs/2923/"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}