dhcp: UDP payload length not properly checked
Published Jan 14, 2016
6.5
MEDIUMCVSS 3.0
EPSS 82.73%
Description
ISC DHCP 4.x before 4.1-ESV-R12-P1, 4.2.x, and 4.3.x before 4.3.3-P1 allows remote attackers to cause a denial of service (application crash) via an invalid length field in a UDP IPv4 packet.
Affected products
No data.
Configuration 1
- ≤ 9.318
- ≤ 9.353
Configuration 2
- 4.0.0
- 4.0.1
- 4.0.2
- 4.0.2
- 4.0.3
- 4.0.3
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1.0
- 4.1.1
- 4.1.1
- 4.1.2
- 4.1.2
- 4.1.2
- 4.1.2
- 4.2.0
- 4.2.0
- 4.2.0
- 4.2.1
- 4.2.1
- 4.2.1
- 4.2.1
- 4.2.2
- 4.2.2
- 4.2.2
- 4.2.3
- 4.2.3
- 4.2.3
- 4.2.4
- 4.2.4
- 4.2.4
- 4.2.4
- 4.2.4
- 4.2.4
- 4.2.5
- 4.2.5
- 4.2.5
- 4.2.5
- 4.2.6
- 4.2.6
- 4.2.6
- 4.2.7
- 4.2.7
- 4.2.7
- 4.2.8
- 4.2.8
- 4.2.8
- 4.2.8
- 4.3.0
- 4.3.0
- 4.3.0
- 4.3.0
- 4.3.1
- 4.3.1
- 4.3.1
- 4.3.2
- 4.3.2
- 4.3.2
- 4.3.2
- 4.3.3
- 4.3.3
Configuration 3
- 7.0
- 8.0
- 9.0
Configuration 4
- 12.04
- 14.04
- 15.04
- 15.10
No data.
Red Hat Enterprise Linux 5
dhcp
Will not fix
Red Hat Enterprise Linux 6
dhcp
Will not fix
Red Hat Enterprise Linux 7
dhcp
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | dhcp | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | dhcp | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | dhcp | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue is not planned to be addressed in the dhcp packages as shipped with Red Hat Enterprise Linux 5, 6, or 7, as the problem can not be triggered with those packages. For further technical details, refer to: https://bugzilla.redhat.com/show_bug.cgi?id=1297314#c5
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: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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (28 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 82.73% (0.82728) | 99.66th | v5 (v2026.06.15) |
| Sep 22, 2026 | 82.73% (0.82728) | 99.65th | v5 (v2026.06.15) |
| Sep 21, 2026 | 62.26% (0.62264) | 99.17th | v5 (v2026.06.15) |
| Sep 17, 2026 | 82.73% (0.82728) | 99.65th | v5 (v2026.06.15) |
| Sep 6, 2026 | 76.45% (0.76450) | 99.50th | v5 (v2026.06.15) |
| Sep 5, 2026 | 49.86% (0.49863) | 98.85th | v5 (v2026.06.15) |
| Aug 30, 2026 | 76.45% (0.76450) | 99.50th | v5 (v2026.06.15) |
| Aug 28, 2026 | 49.86% (0.49863) | 98.85th | v5 (v2026.06.15) |
| Aug 24, 2026 | 76.45% (0.76450) | 99.50th | v5 (v2026.06.15) |
| Aug 23, 2026 | 49.86% (0.49863) | 98.84th | v5 (v2026.06.15) |
| Jun 15, 2026 | 76.45% (0.76450) | 99.48th | v5 (v2026.06.15) |
| Jun 7, 2026 | 45.23% (0.45226) | 97.67th | v4 (v2025.03.14) |
| Mar 7, 2026 | 43.44% (0.43440) | 97.44th | v4 (v2025.03.14) |
| Dec 11, 2025 | 46.00% (0.45998) | 97.49th | v4 (v2025.03.14) |
| Oct 3, 2025 | 49.97% (0.49966) | 97.75th | v4 (v2025.03.14) |
| Aug 30, 2025 | 40.22% (0.40217) | 97.24th | v4 (v2025.03.14) |
| Aug 17, 2025 | 43.97% (0.43968) | 97.44th | v4 (v2025.03.14) |
| Aug 12, 2025 | 49.97% (0.49966) | 97.72th | v4 (v2025.03.14) |
| Aug 10, 2025 | 46.70% (0.46700) | 97.57th | v4 (v2025.03.14) |
| Jul 13, 2025 | 49.97% (0.49966) | 97.69th | v4 (v2025.03.14) |
| Mar 30, 2025 | 69.58% (0.69578) | 98.55th | v4 (v2025.03.14) |
| Mar 29, 2025 | 57.67% (0.57670) | 97.36th | v4 (v2025.03.14) |
| Mar 17, 2025 | 69.58% (0.69578) | 98.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 5.11% (0.05106) | 93.24th | v3 (v2023.03.01) |
| Mar 7, 2023 | 5.11% (0.05106) | 91.68th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.71% (0.04711) | 89.20th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.71% (0.04711) | 88.11th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.71% (0.04711) | 74.48th | v2 (v2022.01.01) |
References (16)
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175594.html vendor-advisoryx_refsource_FEDORAMailing ListThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176031.html vendor-advisoryx_refsource_FEDORAMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00162.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00168.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://www.debian.org/security/2016/dsa-3442 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html x_refsource_CONFIRMThird Party Advisory
- http://www.securityfocus.com/bid/80703 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1034657 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2868-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2015-8605 Vendor Advisory
- https://blogs.sophos.com/2016/02/17/utm-up2date-9-354-released/ x_refsource_CONFIRMThird Party Advisory
- https://blogs.sophos.com/2016/02/29/utm-up2date-9-319-released/ x_refsource_CONFIRMThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1297314 Issue Tracking
- https://kb.isc.org/article/AA-01334 x_refsource_CONFIRMVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-8605
- https://www.cve.org/CVERecord?id=CVE-2015-8605
Change history (0)
No recorded changes yet.