Junos OS: A crafted MPLS packet may lead to a kernel crash
Published Jan 10, 2018
6.5
MEDIUMCVSS 3.0
EPSS 0.91%
Description
A specially crafted MPLS packet received or processed by the system, on an interface configured with MPLS, will store information in the system memory. Subsequently, if this stored information is accessed, this may result in a kernel crash leading to a denial of service. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D71; 12.3 versions prior to 12.3R12-S7; 12.3X48 versions prior to 12.3X48-D55; 14.1 versions prior to 14.1R8-S5, 14.1R9; 14.1X53 versions prior to 14.1X53-D45, 14.1X53-D107; 14.2 versions prior to 14.2R7-S7, 14.2R8; 15.1 versions prior to 15.1F5-S8, 15.1F6-S8, 15.1R5-S6, 15.1R6-S3, 15.1R7; 15.1X49 versions prior to 15.1X49-D100; 15.1X53 versions prior to 15.1X53-D65, 15.1X53-D231; 16.1 versions prior to 16.1R3-S6, 16.1R4-S6, 16.1R5; 16.1X65 versions prior to 16.1X65-D45; 16.2 versions prior to 16.2R2-S1, 16.2R3; 17.1 versions prior to 17.1R2-S2, 17.1R3; 17.2 versions prior to 17.2R1-S3, 17.2R2; 17.2X75 versions prior to 17.2X75-D50. No other Juniper Networks products or platforms are affected by this issue.
Affected products
-
- Version 12.1X46StatusaffectedConstraints<12.1X46-D71
- Version 12.3StatusaffectedConstraints<12.3R12-S7
- Version 12.3X48StatusaffectedConstraints<12.3X48-D55
- Version 14.1StatusaffectedConstraints<14.1R8-S5, 14.1R9
- Version 14.1X53StatusaffectedConstraints<14.1X53-D45, 14.1X53-D107
- Version 14.2StatusaffectedConstraints<14.2R7-S7, 14.2R8
- Version 15.1StatusaffectedConstraints<15.1F5-S8, 15.1F6-S8, 15.1R5-S6, 15.1R6-S3, 15.1R7
- Version 15.1X49StatusaffectedConstraints<15.1X49-D100
- Version 15.1X53StatusaffectedConstraints<15.1X53-D65, 15.1X53-D231
- Version 16.1StatusaffectedConstraints<16.1R3-S6, 16.1R4-S6, 16.1R5
- Version 16.1X65StatusaffectedConstraints<16.1X65-D45
- Version 16.2StatusaffectedConstraints<16.2R2-S1, 16.2R3
- Version 17.1StatusaffectedConstraints<17.1R2-S2, 17.1R3
- Version 17.2StatusaffectedConstraints<17.2R1-S3, 17.2R2
- Version 17.2X75StatusaffectedConstraints<17.2X75-D50
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Juniper Networks | Junos OS | n/a |
|
Configuration 1
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
Configuration 2
Configuration 3
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
Configuration 4
Configuration 5
Configuration 6
Configuration 7
Configuration 8
Configuration 11
Configuration 12
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
The following software releases have been updated to resolve this specific issue: 12.1X46-D71, 12.3R12-S7, 12.3X48-D55, 14.1R8-S5, 14.1R9, 14.1X53-D45, 14.1X53-D107, 14.2R7-S7, 14.2R8, 15.1F5-S8, 15.1F6-S8, 15.1R5-S6, 15.1R6-S3, 15.1R7, 15.1X49-D100, 15.1X53-D65, 15.1X53-D231, 16.1R3-S6, 16.1R4-S6, 16.1R5, 16.1R3-S6, 16.1R4-S6, 16.1R5, 16.1X65-D45, 16.2R2-S1, 16.2R3, 17.1R2-S2, 17.1R3, 17.2R1-S3, 17.2R2, 17.2X75-D50, 17.3R1, and all subsequent releases.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:A/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.91% (0.00910) | 58.58th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.91% (0.00910) | 58.45th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.11% (0.00106) | 43.79th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.11% (0.00106) | 42.51th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00119) | 44.32th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.04% (0.01036) | 27.56th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.04% (0.01036) | 0.00th | v1 |
No CWE recorded.
References (3)
- http://www.securityfocus.com/bid/105715 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1040179 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://kb.juniper.net/JSA10831 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105715 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1040179 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://kb.juniper.net/JSA10831 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.