Junos OS: Kernel crash (vmcore) upon receipt of a specific link-local IPv6 packet on…
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
Receipt of a specific link-local IPv6 packet destined to the RE may cause the system to crash and restart (vmcore). By continuously sending a specially crafted IPv6 packet, an attacker can repeatedly crash the system causing a prolonged Denial of Service (DoS). This issue affects Juniper Networks Junos OS: 16.1 versions prior to 16.1R6-S2, 16.1R7; 16.2 versions prior to 16.2R2-S10; 17.1 versions prior to 17.1R3. This issue does not affect Juniper Networks Junos OS version 15.1 and prior versions.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Juniper | Junos OS | 16.1 to before 16.1R6-S2, 16.1R7; 16.2 to before 16.2R2-S10; 17.1 to before 17.1R3 | 16.1R6-S2, 16.1R7, 16.2R2-S10, 17.1R3 | Patch available | CNA |
- Junos OS VendorJuniper Affected 16.1 to before 16.1R6-S2, 16.1R7; 16.2 to before 16.2R2-S10; 17.1 to before 17.1R3 Fixed in 16.1R6-S2, 16.1R7, 16.2R2-S10, 17.1R3 Patch available CNA
CPE configurations NVD · 29
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:juniper:junos:16.1:-:*:*:*:*:*:* | 16.1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:16.1:r1:*:*:*:*:*:* | 16.1 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:16.1:r2:*:*:*:*:*:* | 16.1 r2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:16.1:r3:*:*:*:*:*:* | 16.1 r3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:16.1:r3-s10:*:*:*:*:*:* | 16.1 r3-s10 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:16.1:r3-s11:*:*:*:*:*:* | 16.1 r3-s11 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:16.1:r4:*:*:*:*:*:* | 16.1 r4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:16.1:r5-s4:*:*:*:*:*:* | 16.1 r5-s4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:16.1:r6-s1:*:*:*:*:*:* | 16.1 r6-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:16.2:-:*:*:*:*:*:* | 16.2 | Vulnerable | Juniper |
- cpe:2.3:o:juniper:junos:16.1:-:*:*:*:*:*:* Versions 16.1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:16.1:r1:*:*:*:*:*:* Versions 16.1 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:16.1:r2:*:*:*:*:*:* Versions 16.1 r2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:16.1:r3:*:*:*:*:*:* Versions 16.1 r3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:16.1:r3-s10:*:*:*:*:*:* Versions 16.1 r3-s10 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:16.1:r3-s11:*:*:*:*:*:* Versions 16.1 r3-s11 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:16.1:r4:*:*:*:*:*:* Versions 16.1 r4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:16.1:r5-s4:*:*:*:*:*:* Versions 16.1 r5-s4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:16.1:r6-s1:*:*:*:*:*:* Versions 16.1 r6-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:16.2:-:*:*:*:*:*:* Versions 16.2 Vulnerable ·Juniper
Show 19 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:juniper:junos:16.2:r1:*:*:*:*:*:* | 16.2 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:16.2:r2:*:*:*:*:*:* | 16.2 r2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:16.2:r2-s1:*:*:*:*:*:* | 16.2 r2-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:16.2:r2-s2:*:*:*:*:*:* | 16.2 r2-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:16.2:r2-s5:*:*:*:*:*:* | 16.2 r2-s5 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:16.2:r2-s6:*:*:*:*:*:* | 16.2 r2-s6 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:16.2:r2-s7:*:*:*:*:*:* | 16.2 r2-s7 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:16.2:r2-s8:*:*:*:*:*:* | 16.2 r2-s8 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:16.2:r2-s9:*:*:*:*:*:* | 16.2 r2-s9 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:17.1:-:*:*:*:*:*:* | 17.1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:17.1:r1:*:*:*:*:*:* | 17.1 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:17.1:r2-s1:*:*:*:*:*:* | 17.1 r2-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:17.1:r2-s10:*:*:*:*:*:* | 17.1 r2-s10 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:17.1:r2-s2:*:*:*:*:*:* | 17.1 r2-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:17.1:r2-s3:*:*:*:*:*:* | 17.1 r2-s3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:17.1:r2-s4:*:*:*:*:*:* | 17.1 r2-s4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:17.1:r2-s5:*:*:*:*:*:* | 17.1 r2-s5 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:17.1:r2-s6:*:*:*:*:*:* | 17.1 r2-s6 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:17.1:r2-s7:*:*:*:*:*:* | 17.1 r2-s7 | Vulnerable | Juniper |
- cpe:2.3:o:juniper:junos:16.2:r1:*:*:*:*:*:* Versions 16.2 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:16.2:r2:*:*:*:*:*:* Versions 16.2 r2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:16.2:r2-s1:*:*:*:*:*:* Versions 16.2 r2-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:16.2:r2-s2:*:*:*:*:*:* Versions 16.2 r2-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:16.2:r2-s5:*:*:*:*:*:* Versions 16.2 r2-s5 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:16.2:r2-s6:*:*:*:*:*:* Versions 16.2 r2-s6 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:16.2:r2-s7:*:*:*:*:*:* Versions 16.2 r2-s7 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:16.2:r2-s8:*:*:*:*:*:* Versions 16.2 r2-s8 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:16.2:r2-s9:*:*:*:*:*:* Versions 16.2 r2-s9 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:17.1:-:*:*:*:*:*:* Versions 17.1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:17.1:r1:*:*:*:*:*:* Versions 17.1 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:17.1:r2-s1:*:*:*:*:*:* Versions 17.1 r2-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:17.1:r2-s10:*:*:*:*:*:* Versions 17.1 r2-s10 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:17.1:r2-s2:*:*:*:*:*:* Versions 17.1 r2-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:17.1:r2-s3:*:*:*:*:*:* Versions 17.1 r2-s3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:17.1:r2-s4:*:*:*:*:*:* Versions 17.1 r2-s4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:17.1:r2-s5:*:*:*:*:*:* Versions 17.1 r2-s5 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:17.1:r2-s6:*:*:*:*:*:* Versions 17.1 r2-s6 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:17.1:r2-s7:*:*:*:*:*:* Versions 17.1 r2-s7 Vulnerable ·Juniper
Remediation
- Fix · CNA Junos OS (Juniper Networks) Fixed in 16.1R6-S2, 16.1R7, 16.2R2-S10, 17.1R3
Timeline
- 2026-10-02 Threatist record created from CVE-2019-0067
- 2026-10-03 Alias added: GHSA-j6jw-rjg4-7274
References
Advisory 1
More Juniper Junos vulnerabilities
- TI-2023-18638 Junos OS: EX and SRX Series: A PHP vulnerability in J-Web allows an unauthenticated to… KEVCVSS 3.1CRITICAL 9.8
- TI-2020-01585 Out of Cycle Security Advisory: Junos OS: Security vulnerability in J-Web and web based (HTTP/HTTPS) services KEVCVSS 3.1CRITICAL 9.8
- TI-2015-04610 Assertion failure in ISC BIND named via TKEY queries KEVCVSS 3.1HIGH 7.5
- TI-2025-15550 Junos OS: An local attacker with shell access can execute arbitrary code KEVCVSS 4.0MEDIUM 6.7
- TI-2023-18644 Junos OS: SRX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload and download arbitrary files KEVCVSS 3.1MEDIUM 5.3
- 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-2019-0067 · CVE Program
- CVE-2019-0067 · NVD
- FIRST EPSS
- GHSA-j6jw-rjg4-7274 · GitHub Advisory Database · CC BY 4.0
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