dhcp: NULL pointer dereference crash via crafted DHCPv6 packet
Published Nov 4, 2010
4.3
MEDIUMCVSS 2.0
EPSS 9.40%
Description
ISC DHCP server 4.0 before 4.0.2, 4.1 before 4.1.2, and 4.2 before 4.2.0-P1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a DHCPv6 packet containing a Relay-Forward message without an address in the Relay-Forward link-address field.
Affected products
No data.
- 4.0
- 4.0.0
- 4.0.1
- 4.0.1
- 4.0.1
- 4.1.0
- 4.1.1
- 4.1.1
- 4.1.1
- 4.1.1
- 4.1.1
- 4.2.0
- 4.2.0
- 4.2.0
- 4.2.0
- 4.2.0
- 4.2.0
No data.
Red Hat Enterprise Linux 6
dhcp-12:4.1.1-12.P1.el6_0.1
Fixed · RHSA-2010:0923
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | dhcp-12:4.1.1-12.P1.el6_0.1 | Fixed | RHSA-2010:0923 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of dhcp as shipped with Red Hat Enterprise Linux 4 and 5 as they did not include support for DHCPv6.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
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 2, 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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 9.40% (0.09402) | 95.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 9.40% (0.09402) | 94.76th | v5 (v2026.06.15) |
| May 24, 2026 | 4.87% (0.04867) | 89.67th | v4 (v2025.03.14) |
| Sep 20, 2025 | 7.63% (0.07632) | 91.55th | v4 (v2025.03.14) |
| Apr 18, 2025 | 16.57% (0.16575) | 94.49th | v4 (v2025.03.14) |
| Apr 16, 2025 | 12.91% (0.12909) | 93.62th | v4 (v2025.03.14) |
| Mar 30, 2025 | 16.57% (0.16575) | 94.34th | v4 (v2025.03.14) |
| Mar 29, 2025 | 25.28% (0.25283) | 93.87th | v4 (v2025.03.14) |
| Mar 19, 2025 | 16.57% (0.16575) | 94.11th | v4 (v2025.03.14) |
| Mar 17, 2025 | 11.64% (0.11645) | 93.11th | v4 (v2025.03.14) |
| Dec 12, 2024 | 6.09% (0.06091) | 93.80th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.09% (0.06091) | 92.35th | v3 (v2023.03.01) |
| Mar 6, 2023 | 23.60% (0.23599) | 96.71th | v2 (v2022.01.01) |
| Feb 4, 2022 | 23.60% (0.23599) | 94.79th | v2 (v2022.01.01) |
References (20)
- http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050766.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051287.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00005.html vendor-advisoryx_refsource_SUSE
- http://osvdb.org/68999 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/42082 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/42345 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/42407 third-party-advisoryx_refsource_SECUNIA
- http://www.isc.org/software/dhcp/advisories/cve-2010-3611 x_refsource_CONFIRMVendor Advisory
- http://www.kb.cert.org/vuls/id/102047 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:226 vendor-advisoryx_refsource_MANDRIVA
- http://www.redhat.com/support/errata/RHSA-2010-0923.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/44615 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2010/2879 vdb-entryx_refsource_VUPENPatchVendor Advisory
- http://www.vupen.com/english/advisories/2010/3044 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2010/3092 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2010-3611 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=649877 x_refsource_CONFIRMIssue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/62965 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2010-3611
- https://www.cve.org/CVERecord?id=CVE-2010-3611
Change history (0)
No recorded changes yet.