Junos OS: MX Series: Mismatch between configured and received packet types causes memory leak in bbe-smgd
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-401.
Summary
A Missing Release of Memory after Effective Lifetime vulnerability in the BroadBand Edge subscriber management daemon (bbe-smgd) of Juniper Networks Junos OS on MX Series allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS). If the authentication packet-type option is configured and a received packet does not match that packet type, the memory leak occurs. When all memory available to bbe-smgd has been consumed, no new subscribers will be able to login. The memory utilization of bbe-smgd can be monitored with the following show command: user@host> show system processes extensive | match bbe-smgd The below log message can be observed when this limit has been reached: bbesmgd[<PID>]: %DAEMON-3-SMD_DPROF_RSMON_ERROR: Resource unavailability, Reason: Daemon Heap Memory exhaustion This issue affects Junos OS on MX Series: * all versions before 22.4R3-S8, * 23.2 versions before 23.2R2-S5, * 23.4 versions before 23.4R2-S6, * 24.2 versions before 24.2R2-S2, * 24.4 versions before 24.4R2, * 25.2 versions before 25.2R2.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Juniper | Junos OS | before 22.4R3-S8; 23.2 to before 23.2R2-S5; 23.4 to before 23.4R2-S6; 24.2 to before 24.2R2-S2; 24.4 to before 24.4R2; 25.2 to before 25.2R2 | 22.4R3-S8, 23.2R2-S5, 23.4R2-S6, 24.2R2-S2, 24.4R2, 25.2R2 | Patch available | CNA |
- Junos OS VendorJuniper Affected before 22.4R3-S8; 23.2 to before 23.2R2-S5; 23.4 to before 23.4R2-S6; 24.2 to before 24.2R2-S2; 24.4 to before 24.4R2; 25.2 to before 25.2R2 Fixed in 22.4R3-S8, 23.2R2-S5, 23.4R2-S6, 24.2R2-S2, 24.4R2, 25.2R2 Patch available CNA
CPE configurations NVD · 60
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | before 22.4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:22.4:-:*:*:*:*:*:* | 22.4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:22.4:r1:*:*:*:*:*:* | 22.4 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:22.4:r1-s1:*:*:*:*:*:* | 22.4 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:22.4:r1-s2:*:*:*:*:*:* | 22.4 r1-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:22.4:r2:*:*:*:*:*:* | 22.4 r2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:22.4:r2-s1:*:*:*:*:*:* | 22.4 r2-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:22.4:r2-s2:*:*:*:*:*:* | 22.4 r2-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:22.4:r3:*:*:*:*:*:* | 22.4 r3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:22.4:r3-s1:*:*:*:*:*:* | 22.4 r3-s1 | Vulnerable | Juniper |
- cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* Versions before 22.4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:22.4:-:*:*:*:*:*:* Versions 22.4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:22.4:r1:*:*:*:*:*:* Versions 22.4 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:22.4:r1-s1:*:*:*:*:*:* Versions 22.4 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:22.4:r1-s2:*:*:*:*:*:* Versions 22.4 r1-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:22.4:r2:*:*:*:*:*:* Versions 22.4 r2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:22.4:r2-s1:*:*:*:*:*:* Versions 22.4 r2-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:22.4:r2-s2:*:*:*:*:*:* Versions 22.4 r2-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:22.4:r3:*:*:*:*:*:* Versions 22.4 r3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:22.4:r3-s1:*:*:*:*:*:* Versions 22.4 r3-s1 Vulnerable ·Juniper
Show 50 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:juniper:junos:22.4:r3-s2:*:*:*:*:*:* | 22.4 r3-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:22.4:r3-s3:*:*:*:*:*:* | 22.4 r3-s3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:22.4:r3-s4:*:*:*:*:*:* | 22.4 r3-s4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:22.4:r3-s5:*:*:*:*:*:* | 22.4 r3-s5 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:22.4:r3-s6:*:*:*:*:*:* | 22.4 r3-s6 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:22.4:r3-s7:*:*:*:*:*:* | 22.4 r3-s7 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.2:-:*:*:*:*:*:* | 23.2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.2:r1:*:*:*:*:*:* | 23.2 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.2:r1-s1:*:*:*:*:*:* | 23.2 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.2:r1-s2:*:*:*:*:*:* | 23.2 r1-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.2:r2:*:*:*:*:*:* | 23.2 r2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.2:r2-s1:*:*:*:*:*:* | 23.2 r2-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.2:r2-s2:*:*:*:*:*:* | 23.2 r2-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.2:r2-s3:*:*:*:*:*:* | 23.2 r2-s3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.2:r2-s4:*:*:*:*:*:* | 23.2 r2-s4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.4:-:*:*:*:*:*:* | 23.4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.4:r1:*:*:*:*:*:* | 23.4 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.4:r1-s1:*:*:*:*:*:* | 23.4 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.4:r1-s2:*:*:*:*:*:* | 23.4 r1-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.4:r2:*:*:*:*:*:* | 23.4 r2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.4:r2-s1:*:*:*:*:*:* | 23.4 r2-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.4:r2-s2:*:*:*:*:*:* | 23.4 r2-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.4:r2-s3:*:*:*:*:*:* | 23.4 r2-s3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.4:r2-s4:*:*:*:*:*:* | 23.4 r2-s4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:23.4:r2-s5:*:*:*:*:*:* | 23.4 r2-s5 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:24.2:-:*:*:*:*:*:* | 24.2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:24.2:r1:*:*:*:*:*:* | 24.2 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:24.2:r1-s1:*:*:*:*:*:* | 24.2 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:24.2:r1-s2:*:*:*:*:*:* | 24.2 r1-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:24.2:r2:*:*:*:*:*:* | 24.2 r2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:24.2:r2-s1:*:*:*:*:*:* | 24.2 r2-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:24.4:-:*:*:*:*:*:* | 24.4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:24.4:r1:*:*:*:*:*:* | 24.4 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:24.4:r1-s2:*:*:*:*:*:* | 24.4 r1-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:24.4:r1-s3:*:*:*:*:*:* | 24.4 r1-s3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:25.2:-:*:*:*:*:*:* | 25.2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:25.2:r1:*:*:*:*:*:* | 25.2 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:25.2:r1-s1:*:*:*:*:*:* | 25.2 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:25.2:r1-s2:*:*:*:*:*:* | 25.2 r1-s2 | Vulnerable | Juniper |
| cpe:2.3:h:juniper:mx10004:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx10008:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx2008:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx2010:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx2020:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx204:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx240:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx301:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx304:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx480:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx960:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
- cpe:2.3:o:juniper:junos:22.4:r3-s2:*:*:*:*:*:* Versions 22.4 r3-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:22.4:r3-s3:*:*:*:*:*:* Versions 22.4 r3-s3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:22.4:r3-s4:*:*:*:*:*:* Versions 22.4 r3-s4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:22.4:r3-s5:*:*:*:*:*:* Versions 22.4 r3-s5 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:22.4:r3-s6:*:*:*:*:*:* Versions 22.4 r3-s6 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:22.4:r3-s7:*:*:*:*:*:* Versions 22.4 r3-s7 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.2:-:*:*:*:*:*:* Versions 23.2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.2:r1:*:*:*:*:*:* Versions 23.2 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.2:r1-s1:*:*:*:*:*:* Versions 23.2 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.2:r1-s2:*:*:*:*:*:* Versions 23.2 r1-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.2:r2:*:*:*:*:*:* Versions 23.2 r2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.2:r2-s1:*:*:*:*:*:* Versions 23.2 r2-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.2:r2-s2:*:*:*:*:*:* Versions 23.2 r2-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.2:r2-s3:*:*:*:*:*:* Versions 23.2 r2-s3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.2:r2-s4:*:*:*:*:*:* Versions 23.2 r2-s4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.4:-:*:*:*:*:*:* Versions 23.4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.4:r1:*:*:*:*:*:* Versions 23.4 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.4:r1-s1:*:*:*:*:*:* Versions 23.4 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.4:r1-s2:*:*:*:*:*:* Versions 23.4 r1-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.4:r2:*:*:*:*:*:* Versions 23.4 r2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.4:r2-s1:*:*:*:*:*:* Versions 23.4 r2-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.4:r2-s2:*:*:*:*:*:* Versions 23.4 r2-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.4:r2-s3:*:*:*:*:*:* Versions 23.4 r2-s3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.4:r2-s4:*:*:*:*:*:* Versions 23.4 r2-s4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:23.4:r2-s5:*:*:*:*:*:* Versions 23.4 r2-s5 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:24.2:-:*:*:*:*:*:* Versions 24.2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:24.2:r1:*:*:*:*:*:* Versions 24.2 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:24.2:r1-s1:*:*:*:*:*:* Versions 24.2 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:24.2:r1-s2:*:*:*:*:*:* Versions 24.2 r1-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:24.2:r2:*:*:*:*:*:* Versions 24.2 r2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:24.2:r2-s1:*:*:*:*:*:* Versions 24.2 r2-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:24.4:-:*:*:*:*:*:* Versions 24.4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:24.4:r1:*:*:*:*:*:* Versions 24.4 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:24.4:r1-s2:*:*:*:*:*:* Versions 24.4 r1-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:24.4:r1-s3:*:*:*:*:*:* Versions 24.4 r1-s3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:25.2:-:*:*:*:*:*:* Versions 25.2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:25.2:r1:*:*:*:*:*:* Versions 25.2 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:25.2:r1-s1:*:*:*:*:*:* Versions 25.2 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:25.2:r1-s2:*:*:*:*:*:* Versions 25.2 r1-s2 Vulnerable ·Juniper
- cpe:2.3:h:juniper:mx10004:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx10008:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx2008:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx2010:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx2020:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx204:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx240:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx301:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx304:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx480:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx960:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
Remediation
- Fix · CNA Junos OS (Juniper Networks) Fixed in 22.4R3-S8, 23.2R2-S5, 23.4R2-S6, 24.2R2-S2, 24.4R2, 25.2R2
Timeline
- 2026-10-02 Threatist record created from CVE-2026-33775
- 2026-10-03 Alias added: GHSA-9p4v-567m-9ggg
References
Advisory 1
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- TI-2023-18640 Junos OS: EX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload arbitrary files KEVCVSS 3.1MEDIUM 5.3
Sources
- CVE-2026-33775 · CVE Program
- CVE-2026-33775 · NVD
- FIRST EPSS
- GHSA-9p4v-567m-9ggg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences