A release of illegal memory vulnerability in the snmpd daemon of Juniper Networks Junos OS, Junos OS Evolved allows an attacker to halt the snmpd daemon causing a sustained Denial of Service (DoS) to the service until it is manually restarted. This issue impacts any version of SNMP - v1,v2, v3 This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S20.

15.1 versions prior to 15.1R7-S11.

18.3 versions prior to 18.3R3-S6.

18.4 versions prior to 18.4R2-S9, 18.4R3-S10.

19.1 versions prior to 19.1R2-S3, 19.1R3-S7.

19.2 versions prior to 19.2R1-S8, 19.2R3-S4.

19.3 versions prior to 19.3R3-S4.

19.4 versions prior to 19.4R2-S5, 19.4R3-S6.

20.1 versions prior to 20.1R3-S2.

20.2 versions prior to 20.2R3-S3.

20.3 versions prior to 20.3R3-S1.

20.4 versions prior to 20.4R3.

21.1 versions prior to 21.1R2-S2, 21.1R3.

21.2 versions prior to 21.2R1-S2, 21.2R2. Juniper Networks Junos OS Evolved 21.2 versions prior to 21.2R3-EVO.

21.3 versions prior to 21.3R2-EVO.