Junos OS: Receipt of a specifically crafted malicious MPLS packet leads to a Junos kernel crash.
Published Oct 10, 2018
7.5
HIGHCVSS 3.1
EPSS 2.21%
Description
A NULL Pointer Dereference vulnerability in Juniper Networks Junos OS allows an attacker to cause the Junos OS kernel to crash. Continued receipt of this specifically crafted malicious MPLS packet will cause a sustained Denial of Service condition. This issue require it to be received on an interface configured to receive this type of traffic. Affected releases are Juniper Networks Junos OS: 12.1X46 versions above and including 12.1X46-D76 prior to 12.1X46-D81 on SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 12.3R12-S10; 12.3X48 versions above and including 12.3X48-D66 prior to 12.3X48-D75 on SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 14.1X53-D47 on EX2200/VC, EX3200, EX3300/VC, EX4200, EX4300, EX4550/VC, EX4600, EX6200, EX8200/VC (XRE), QFX3500, QFX3600, QFX5100; 14.1X53 versions above and including 14.1X53-D115 prior to 14.1X53-D130 on QFabric System; 15.1 versions above and including 15.1F6-S10; 15.1R4-S9; 15.1R6-S6; 15.1 versions above and including 15.1R7 prior to 15.1R7-S2; 15.1X49 versions above and including 15.1X49-D131 prior to 15.1X49-D150 on SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 15.1X53 versions above 15.1X53-D233 prior to 15.1X53-D235 on QFX5200/QFX5110; 15.1X53 versions up to and including 15.1X53-D471 prior to 15.1X53-D590 on NFX150, NFX250; 15.1X53-D67 on QFX10000 Series; 15.1X53-D59 on EX2300/EX3400; 16.1 versions above and including 16.1R3-S8; 16.1 versions above and including 16.1R4-S9 prior to 16.1R4-S12; 16.1 versions above and including 16.1R5-S4; 16.1 versions above and including 16.1R6-S3 prior to 16.1R6-S6; 16.1 versions above and including 16.1R7 prior to 16.1R7-S2; 16.2 versions above and including 16.2R1-S6; 16.2 versions above and including 16.2R2-S5 prior to 16.2R2-S7; 17.1R1-S7; 17.1 versions above and including 17.1R2-S7 prior to 17.1R2-S9; 17.2R1-S6; 17.2 versions above and including 17.2R2-S4 prior to 17.2R2-S6; 17.2X75 versions above and including 17.2X75-D100 prior to X17.2X75-D101, 17.2X75-D110; 17.3 versions above and including 17.3R1-S4 on All non-SRX Series and SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 17.3 versions above and including 17.3R2-S2 prior to 17.3R2-S4 on All non-SRX Series and SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 17.3R3 on All non-SRX Series and SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 17.4 versions above and including 17.4R1-S3 prior to 17.4R1-S5 on All non-SRX Series and SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 17.4R2 on All non-SRX Series and SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 18.1 versions above and including 18.1R2 prior to 18.1R2-S3, 18.1R3 on All non-SRX Series and SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 18.2 versions above and including 18.2R1 prior to 18.2R1-S2, 18.2R1-S3, 18.2R2 on All non-SRX Series and SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 18.2X75 versions above and including 18.2X75-D5 prior to 18.2X75-D20.
Affected products
-
- Version 12.1X46-D76StatusaffectedConstraints<12.1X46*
- Version 12.3R12-S10StatusaffectedConstraints-
- Version 12.3X48-D66StatusaffectedConstraints<12.3X48*
- Version 14.1X53-D115StatusaffectedConstraints<14.1X53*
- Version 14.1X53-D47StatusaffectedConstraints-
- Version 15.1F6-S10StatusaffectedConstraints<15.1*
- Version 15.1R4-S9StatusaffectedConstraints-
- Version 15.1R6-S6StatusaffectedConstraints-
- Version 15.1X49-D131StatusaffectedConstraints<15.1X49*
- Version 15.1X53StatusaffectedConstraints<=15.1X53-D471
- Version 15.1X53-D233StatusaffectedConstraints<15.1X53*
- Version 15.1X53-D59StatusaffectedConstraints-
- Version 15.1X53-D67StatusaffectedConstraints-
- Version 16.1R3-S8StatusaffectedConstraints<16.1*
- Version 16.2R1-S6StatusaffectedConstraints<16.2*
- Version 17.1R1-S7StatusaffectedConstraints-
- Version 17.1R2-S7StatusaffectedConstraints<17.1*
- Version 17.2R1-S6StatusaffectedConstraints-
- Version 17.2R2-S4StatusaffectedConstraints<17.2*
- Version 17.2X75-D100StatusaffectedConstraints<17.2X75*
- Version 17.3R1-S4StatusaffectedConstraints<17.3*
- Version 17.3R3StatusaffectedConstraints-
- Version 17.4R1-S3StatusaffectedConstraints<17.4*
- Version 17.4R2StatusaffectedConstraints-
- Version 18.1R2StatusaffectedConstraints<18.1*
- Version 18.2R1StatusaffectedConstraints<18.2*
- Version 18.2X75-D5StatusaffectedConstraints<18.2X75*
- 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
Running on/with
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Configuration 2
- 12.3
- 15.1
- 15.1
- 15.1
- 15.1
- 15.1
- 15.1
- 15.1
- 15.1
- 15.1
- 15.1
- 15.1
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- 16.1
- 16.1
- 16.1
- 16.1
- 16.1
- 16.1
- 16.2
- 16.2
- 16.2
- 16.2
- 16.2
- 16.2
- 16.2
- 17.1
- 17.1
- 17.1
- 17.2
- 17.2
- 17.2x75
- 18.2x75
- 18.2x75
Configuration 3
Running on/with
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Configuration 4
- 15.1x49
- 15.1x49
- 17.3
- 17.3
- 17.3
- 17.3
- 17.3
- 17.3
- 17.4
- 17.4
- 17.4
- 18.1
- 18.1
- 18.1
- 18.2
Running on/with
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Configuration 5
Configuration 6
Configuration 7
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-D81, 12.3R12-S11, 12.3X48-D75, 14.1X53-D130, 14.1X53-D48, 15.1R7-S2, 15.1X49-D150, 5.1X53-D235, 15.1X53-D495, 15.1X53-D68, 15.1X53-D590, 16.1R4-S12, 16.1R6-S6, 16.1R7-S2, 16.1X65-D48, 16.2R2-S7, 16.2R3, 17.1R2-S9, 17.1R3, 17.2R1-S7, 17.2R2-S6, 17.2R3, 17.2X75-D101, 17.2X75-D110, 17.3R2-S4, 17.3R3-S1, 17.3R4, 17.4R1-S5, 17.4R2-S1, 17.4R3, 18.1R2-S3, 18.1R3, 18.2R1-S2, 18.2R1-S3, 18.2R2, 18.2X75-D20, 18.3R1, and all subsequent releases.
Additionally, the following software releases have been re-released to the Juniper download pages to resolve this specific issue: 12.1X46-D76.1, 12.3X48-D70.4, 14.1X53-D47.6, 15.1F6-S10.11, 15.1R6-S6.2, 15.1R7.9, 15.1X49-D140.3, 15.1X53-D233.2, 15.1X53-D59.4, 15.1X53-D67.6, 16.1R6-S3.2, 16.1R7-S1.2, 16.1R7.8, 17.2X75-D100.6, 17.3R2-S2.2, 17.3R3.10, 17.4R1-S3.4, 18.1R2.6.
Note: The final ".xy" numeric entry, for example the .4 in 12.3X48-D70.4, on a release in this notice is the respin release number. Customer's should check the respin release number on the version of Junos OS to confirm vulnerability.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:M/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 1, 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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.21% (0.02211) | 81.97th | v5 (v2026.06.15) |
| Sep 20, 2026 | 2.21% (0.02211) | 81.83th | v5 (v2026.06.15) |
| Jul 25, 2024 | 0.79% (0.00790) | 81.73th | v3 (v2023.03.01) |
| May 29, 2024 | 2.16% (0.02160) | 89.31th | v3 (v2023.03.01) |
| Apr 11, 2024 | 2.79% (0.02791) | 90.46th | v3 (v2023.03.01) |
| Mar 2, 2024 | 2.69% (0.02692) | 90.16th | v3 (v2023.03.01) |
| Nov 8, 2023 | 2.78% (0.02776) | 89.49th | v3 (v2023.03.01) |
| Oct 4, 2023 | 2.82% (0.02818) | 89.45th | v3 (v2023.03.01) |
| Jul 8, 2023 | 4.01% (0.04012) | 90.82th | v3 (v2023.03.01) |
| Jul 7, 2023 | 5.60% (0.05598) | 92.18th | v3 (v2023.03.01) |
| Mar 7, 2023 | 5.86% (0.05862) | 92.23th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.29% (0.01294) | 30.79th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.29% (0.01294) | 0.00th | v1 |
References (4)
- http://www.securityfocus.com/bid/105701 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041850 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://kb.juniper.net/JSA10883 x_refsource_CONFIRMVendor Advisory
- https://kb.juniper.net/KB30092 x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105701 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041850 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://kb.juniper.net/JSA10883 | x_refsource_CONFIRMVendor Advisory | |
| https://kb.juniper.net/KB30092 | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.