Junos OS: A malicious crafted IPv6 DHCP packet may cause the JDHCPD daemon to core
Published Jul 11, 2018
5.9
MEDIUMCVSS 3.0
EPSS 2.12%
Description
A Denial of Service vulnerability exists in the Juniper Networks Junos OS JDHCPD daemon which allows an attacker to core the JDHCPD daemon by sending a crafted IPv6 packet to the system. This issue is limited to systems which receives IPv6 DHCP packets on a system configured for DHCP processing using the JDHCPD daemon. This issue does not affect IPv4 DHCP packet processing. Affected releases are Juniper Networks Junos OS: 12.3 versions prior to 12.3R12-S10 on EX Series; 12.3X48 versions prior to 12.3X48-D70 on SRX Series; 14.1X53 versions prior to 14.1X53-D47 on EX2200/VC, EX3200, EX3300/VC, EX4200, EX4300, EX4550/VC, EX4600, EX6200, EX8200/VC (XRE), QFX3500, QFX3600, QFX5100; 14.1X53 versions prior to 14.1X53-D130 on QFabric; 15.1 versions prior to 15.1R4-S9, 15.1R6-S6, 15.1R7; 15.1X49 versions prior to 15.1X49-D140 on SRX Series; 15.1X53 versions prior to 15.1X53-D67 on QFX10000 Series; 15.1X53 versions prior to 15.1X53-D233 on QFX5110, QFX5200; 15.1X53 versions prior to 15.1X53-D471 on NFX 150, NFX 250; 16.1 versions prior to 16.1R3-S9, 16.1R4-S8, 16.1R5-S4, 16.1R6-S3, 16.1R7; 16.2 versions prior to 16.2R2-S5, 16.2R3; 17.1 versions prior to 17.1R1-S7, 17.1R2-S7, 17.1R3; 17.2 versions prior to 17.2R1-S6, 17.2R2-S4, 17.2R3; 17.3 versions prior to 17.3R1-S4, 17.3R2-S2, 17.3R3; 17.4 versions prior to 17.4R1-S3, 17.4R2.
Affected products
-
- Version 12.3StatusaffectedConstraints<12.3R12-S10
- Version 12.3X48StatusaffectedConstraints<12.3X48-D70
- Version 14.1X53StatusaffectedConstraints<14.1X53-D130
- Version 14.1X53StatusaffectedConstraints<14.1X53-D47
- Version 15.1StatusaffectedConstraints<15.1R4-S9, 15.1R6-S6, 15.1R7
- Version 15.1X49StatusaffectedConstraints<15.1X49-D140
- Version 15.1X53StatusaffectedConstraints<15.1X53-D233
- Version 15.1X53StatusaffectedConstraints<15.1X53-D471
- Version 15.1X53StatusaffectedConstraints<15.1X53-D67
- Version 16.1StatusaffectedConstraints<16.1R3-S9, 16.1R4-S8, 16.1R5-S4, 16.1R6-S3, 16.1R7
- Version 16.2StatusaffectedConstraints<16.2R2-S5, 16.2R3
- Version 17.1StatusaffectedConstraints<17.1R1-S7, 17.1R2-S7, 17.1R3
- Version 17.2StatusaffectedConstraints<17.2R1-S6, 17.2R2-S4, 17.2R3
- Version 17.3StatusaffectedConstraints<17.3R1-S4, 17.3R2-S2, 17.3R3
- Version 17.4StatusaffectedConstraints<17.4R1-S3, 17.4R2
- 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
- 12.3
- 12.3
- 12.3
- 12.3
- 12.3
- 12.3
- 12.3
- 12.3
- 12.3
- 12.3
- 12.3
- 12.3
- 12.3
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 2
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 3
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 4
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
- 14.1x53
Configuration 5
Configuration 6
- 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
- 15.1x49
- 15.1x49
- 15.1x49
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 7
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
Configuration 8
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
Configuration 9
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
Configuration 10
Configuration 11
Configuration 12
Configuration 13
Configuration 14
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: Junos OS 12.3R12-S10, 12.3X48-D70, 14.1X53-D130*, 14.1X53-D47, 15.1R4-S9, 15.1R6-S6, 15.1R7, 15.1X49-D140, 15.1X53-D233, 15.1X53-D471, 15.1X53-D67, 16.1R3-S9, 16.1R4-S8, 16.1R5-S4, 16.1R6-S3, 16.1R7, 16.2R2-S5, 16.2R3, 17.1R1-S7, 17.1R2-S7, 17.1R3, 17.2R1-S6, 17.2R2-S4, 17.2R3, 17.3R1-S4, 17.3R2-S2, 17.3R3, 17.4R1-S3, 17.4R2, 18.1R1, and all subsequent releases.
*Pending Publication
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (CVE.org) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
AV:N/AC:M/Au:N/C:N/I:N/A:P
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 v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.12% (0.02123) | 81.22th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.15% (0.02150) | 79.68th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.31% (0.00310) | 70.30th | v3 (v2023.03.01) |
| Feb 28, 2024 | 0.31% (0.00310) | 69.30th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.33% (0.00330) | 70.26th | v3 (v2023.03.01) |
| Jan 11, 2024 | 0.33% (0.00330) | 68.03th | v3 (v2023.03.01) |
| Dec 2, 2023 | 0.28% (0.00284) | 65.13th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.33% (0.00334) | 67.20th | v3 (v2023.03.01) |
| Jul 5, 2023 | 0.24% (0.00236) | 60.51th | v3 (v2023.03.01) |
| May 8, 2023 | 0.21% (0.00205) | 56.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.29% (0.00291) | 64.14th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Sep 2, 2022 | 0.95% (0.00954) | 34.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | 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 | v1 |
| Jan 6, 2022 | 1.04% (0.01036) | 26.95th | v1 |
| Sep 1, 2021 | 1.04% (0.01036) | 62.47th | v1 |
| Apr 14, 2021 | 1.04% (0.01036) | 0.00th | v1 |
References (3)
- http://www.securitytracker.com/id/1041338 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://apps.juniper.net/feature-explorer/search.html#q=dhcp x_refsource_MISCVendor Advisory
- https://kb.juniper.net/JSA10868 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securitytracker.com/id/1041338 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://apps.juniper.net/feature-explorer/search.html#q=dhcp | x_refsource_MISCVendor Advisory | |
| https://kb.juniper.net/JSA10868 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.