Description
A Missing Release of Memory after Effective Lifetime vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low privileged user to cause an impact to the availability of the device.
When RIB sharding is enabled and a user executes one of several routing related 'show' commands, a certain amount of memory is leaked. When all available memory has been consumed rpd will crash and restart.
The leak can be monitored with the CLI command:
show task memory detail | match task_shard_mgmt_cookie
where the allocated memory in bytes can be seen to continuously increase with each exploitation.
This issue affects:
Junos OS:
* all versions before 21.2R3-S9, * 21.4 versions before 21.4R3-S11, * 22.2 versions before 22.2R3-S7, * 22.4 versions before 22.4R3-S7, * 23.2 versions before 23.2R2-S4, * 23.4 versions before 23.4R2-S4, * 24.2 versions before 24.2R2, * 24.4 versions before 24.4R1-S2, 24.4R2;
Junos OS Evolved:
* all versions before 22.2R3-S7-EVO * 22.4-EVO versions before 22.4R3-S7-EVO, * 23.2-EVO versions before 23.2R2-S4-EVO, * 23.4-EVO versions before 23.4R2-S4-EVO, * 24.2-EVO versions before 24.2R2-EVO, * 24.4-EVO versions before 24.4R2-EVO.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Juniper Networks | Junos OS | < 21.2R3-S9; >= 21.4, < 21.4R3-S11; >= 22.2, < 22.2R3-S7; >= 22.4, < 22.4R3-S7; >= 23.2, < 23.2R2-S4; >= 23.4, < 23.4R2-S4; >= 24.2, < 24.2R2; >= 24.4, < 24.4R1-S2, 24.4R2 |
| Juniper Networks | Junos OS Evolved | < 22.2R3-S7-EVO; >= 22.4-EVO, < 22.4R3-S7-EVO; >= 23.2-EVO, < 23.2R2-S4-EVO; >= 23.4-EVO, < 23.4R2-S4-EVO; >= 24.2-EVO, < 24.2R2-EVO; >= 24.4-EVO, < 24.4R2-EVO |
References
- https://supportportal.juniper.net/JSA100092Vendor Advisory
Timeline
- Published
- Jul 11, 2025
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed