dhcp: two memory leaks may result in DoS
Published Jul 25, 2012
3.3
LOWCVSS 2.0
EPSS 4.33%
Description
Multiple memory leaks in ISC DHCP 4.1.x and 4.2.x before 4.2.4-P1 and 4.1-ESV before 4.1-ESV-R6 allow remote attackers to cause a denial of service (memory consumption) by sending many requests.
Affected products
No data.
Configuration 1
- 4.1.0
- 4.1.0
- 4.1.0
- 4.1.0
- 4.1.1
- 4.1.1
- 4.1.1
- 4.1.1
- 4.1.1
- 4.1.2
- 4.1.2
- 4.1.2
- 4.1.2
Configuration 2
- 4.2.0
- 4.2.0
- 4.2.0
- 4.2.0
- 4.2.0
- 4.2.0
- 4.2.0
- 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
Configuration 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
Configuration 4
- 6.0
- 7.0
Configuration 5
- 11.04
- 11.10
- 12.04
No data.
Red Hat Enterprise Linux 6
dhcp-12:4.1.1-31.P1.el6_3.1
Fixed · RHSA-2012:1141
Red Hat Enterprise Linux 5
dhcp
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | dhcp-12:4.1.1-31.P1.el6_3.1 | Fixed | RHSA-2012:1141 |
| Red Hat Enterprise Linux 5 | dhcp | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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:A/AC:L/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.33% (0.04334) | 90.89th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.33% (0.04334) | 89.91th | v5 (v2026.06.15) |
| May 2, 2026 | 4.46% (0.04460) | 89.13th | v4 (v2025.03.14) |
| Mar 11, 2026 | 6.48% (0.06481) | 90.94th | v4 (v2025.03.14) |
| Feb 5, 2026 | 4.23% (0.04225) | 88.49th | v4 (v2025.03.14) |
| May 18, 2025 | 6.48% (0.06481) | 90.57th | v4 (v2025.03.14) |
| Apr 14, 2025 | 4.23% (0.04225) | 87.76th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.48% (0.06481) | 90.16th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.24% (0.04236) | 80.96th | v4 (v2025.03.14) |
| Mar 27, 2025 | 6.48% (0.06481) | 89.74th | v4 (v2025.03.14) |
| Mar 25, 2025 | 4.88% (0.04880) | 88.51th | v4 (v2025.03.14) |
| Mar 19, 2025 | 6.48% (0.06481) | 89.91th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.35% (0.04351) | 88.19th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.38% (0.03376) | 91.75th | v3 (v2023.03.01) |
| Feb 23, 2024 | 3.38% (0.03376) | 91.11th | v3 (v2023.03.01) |
| Dec 21, 2023 | 6.48% (0.06481) | 93.01th | v3 (v2023.03.01) |
| Mar 7, 2023 | 7.45% (0.07446) | 93.02th | 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 (15)
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00030.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2012-1141.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://security.gentoo.org/glsa/glsa-201301-06.xml vendor-advisoryx_refsource_GENTOOThird Party Advisory
- http://www.debian.org/security/2012/dsa-2516 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.debian.org/security/2012/dsa-2519 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:115 vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:116 vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
- http://www.securityfocus.com/bid/54665 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1027300 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-1519-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2012-3954 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=842428 Issue Tracking
- https://kb.isc.org/article/AA-00737 x_refsource_CONFIRMVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2012-3954
- https://www.cve.org/CVERecord?id=CVE-2012-3954
Change history (0)
No recorded changes yet.