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.
結論預警: CVE-2012-3954 綜合評估為中等風險（44.5/100）：CVSS 技術影響為低級，利用機率（EPSS 4.33%） 強制指令: 梳理受影響資產並納入修補計畫。
風險隨態勢動態變化；本站持續評估並同步更新本頁展示內容。
EPSS 日更估計相對被利用可能性；百分位表示該 CVE 在已評分漏洞中的相對排名（越高表示相對更嚴重）。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化（新 − 舊） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 4.46% | 4.33% | -0.13% |
| 2 | 2026-05-02 | 5.91% | 4.46% | -1.45% |
| 3 | 2026-03-26 | — | 5.91% | — |
完整 EPSS 歷史 （共 18 筆）
該 CVE 的 CVSS 指標。
| 底座分 | 版本 | 嚴重度 | 向量 | 可利用性 | 影響 | 分數來源 |
|---|---|---|---|---|---|---|
| 3.3 | 2.0 | LOW |
|
6.5 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2012-3954 not yet assigned priority: Debian including 1 source packages (isc-dhcp), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4. | https://security-tracker.debian.org/tracker/CVE-2012-3954 |
gentoo
|
normal | CVE-2012-3954: 1 GLSA(s) (201301-06), 1 atom(s) (net-misc/dhcp); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-3954 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2012-3954 |
suse
|
low | CVE-2012-3954 severity low: SUSE including 61 source package names (dhcp-3.1.3.ESV-0.17.1, dhcp-4.2.4.P1-0.5.1, …), 99 product×package rows across 37 product lines (SUSE Linux Enterprise Desktop 11 SP2, SUSE Linux Enterprise Desktop 12, … (37 product lines)): Fixed 99. | https://www.suse.com/security/cve/CVE-2012-3954/ |
ubuntu
|
medium | CVE-2012-3954 medium priority: Ubuntu including 2 source packages (dhcp3, isc-dhcp), 12 status rows across 6 suites (hardy, lucid, natty, oneiric, precise, upstream): DNE 5, released 3, needs-triage 2, not-affected 2. | https://ubuntu.com/security/CVE-2012-3954 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| isc | dhcp | 4.1.0 | cpe:2.3:a:isc:dhcp:4.1.0:-:*:*:*:*:*:* |
| isc | dhcp | 4.1.0 | cpe:2.3:a:isc:dhcp:4.1.0:a1:*:*:*:*:*:* |
| isc | dhcp | 4.1.0 | cpe:2.3:a:isc:dhcp:4.1.0:a2:*:*:*:*:*:* |
| isc | dhcp | 4.1.0 | cpe:2.3:a:isc:dhcp:4.1.0:b1:*:*:*:*:*:* |
| isc | dhcp | 4.1.1 | cpe:2.3:a:isc:dhcp:4.1.1:-:*:*:*:*:*:* |
| isc | dhcp | 4.1.1 | cpe:2.3:a:isc:dhcp:4.1.1:b1:*:*:*:*:*:* |
| isc | dhcp | 4.1.1 | cpe:2.3:a:isc:dhcp:4.1.1:b2:*:*:*:*:*:* |
| isc | dhcp | 4.1.1 | cpe:2.3:a:isc:dhcp:4.1.1:b3:*:*:*:*:*:* |
| isc | dhcp | 4.1.1 | cpe:2.3:a:isc:dhcp:4.1.1:rc1:*:*:*:*:*:* |
| isc | dhcp | 4.1.2 | cpe:2.3:a:isc:dhcp:4.1.2:-:*:*:*:*:*:* |
| isc | dhcp | 4.1.2 | cpe:2.3:a:isc:dhcp:4.1.2:b1:*:*:*:*:*:* |
| isc | dhcp | 4.1.2 | cpe:2.3:a:isc:dhcp:4.1.2:p1:*:*:*:*:*:* |
| isc | dhcp | 4.1.2 | cpe:2.3:a:isc:dhcp:4.1.2:rc1:*:*:*:*:*:* |
| isc | dhcp | 4.2.0 | cpe:2.3:a:isc:dhcp:4.2.0:-:*:*:*:*:*:* |
| isc | dhcp | 4.2.0 | cpe:2.3:a:isc:dhcp:4.2.0:a1:*:*:*:*:*:* |
| isc | dhcp | 4.2.0 | cpe:2.3:a:isc:dhcp:4.2.0:a2:*:*:*:*:*:* |
| isc | dhcp | 4.2.0 | cpe:2.3:a:isc:dhcp:4.2.0:b1:*:*:*:*:*:* |
| isc | dhcp | 4.2.0 | cpe:2.3:a:isc:dhcp:4.2.0:b2:*:*:*:*:*:* |
| isc | dhcp | 4.2.0 | cpe:2.3:a:isc:dhcp:4.2.0:p1:*:*:*:*:*:* |
| isc | dhcp | 4.2.0 | cpe:2.3:a:isc:dhcp:4.2.0:rc1:*:*:*:*:*:* |
| isc | dhcp | 4.2.1 | cpe:2.3:a:isc:dhcp:4.2.1:-:*:*:*:*:*:* |
| isc | dhcp | 4.2.1 | cpe:2.3:a:isc:dhcp:4.2.1:b1:*:*:*:*:*:* |
| isc | dhcp | 4.2.1 | cpe:2.3:a:isc:dhcp:4.2.1:rc1:*:*:*:*:*:* |
| isc | dhcp | 4.2.2 | cpe:2.3:a:isc:dhcp:4.2.2:-:*:*:*:*:*:* |
| isc | dhcp | 4.2.2 | cpe:2.3:a:isc:dhcp:4.2.2:b1:*:*:*:*:*:* |
| isc | dhcp | 4.2.2 | cpe:2.3:a:isc:dhcp:4.2.2:rc1:*:*:*:*:*:* |
| isc | dhcp | 4.2.3 | cpe:2.3:a:isc:dhcp:4.2.3:-:*:*:*:*:*:* |
| isc | dhcp | 4.2.3 | cpe:2.3:a:isc:dhcp:4.2.3:p1:*:*:*:*:*:* |
| isc | dhcp | 4.2.3 | cpe:2.3:a:isc:dhcp:4.2.3:p2:*:*:*:*:*:* |
| isc | dhcp | 4.2.4 | cpe:2.3:a:isc:dhcp:4.2.4:*:*:*:*:*:*:* |
| isc | dhcp | 4.1-esv | cpe:2.3:a:isc:dhcp:4.1-esv:-:*:*:*:*:*:* |
| isc | dhcp | 4.1-esv | cpe:2.3:a:isc:dhcp:4.1-esv:r1:*:*:*:*:*:* |
| isc | dhcp | 4.1-esv | cpe:2.3:a:isc:dhcp:4.1-esv:r2:*:*:*:*:*:* |
| isc | dhcp | 4.1-esv | cpe:2.3:a:isc:dhcp:4.1-esv:r3:*:*:*:*:*:* |
| isc | dhcp | 4.1-esv | cpe:2.3:a:isc:dhcp:4.1-esv:r3_b1:*:*:*:*:*:* |
| isc | dhcp | 4.1-esv | cpe:2.3:a:isc:dhcp:4.1-esv:r4:*:*:*:*:*:* |
| isc | dhcp | 4.1-esv | cpe:2.3:a:isc:dhcp:4.1-esv:r5:*:*:*:*:*:* |
| isc | dhcp | 4.1-esv | cpe:2.3:a:isc:dhcp:4.1-esv:r5_b1:*:*:*:*:*:* |
| isc | dhcp | 4.1-esv | cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc1:*:*:*:*:*:* |
| isc | dhcp | 4.1-esv | cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc2:*:*:*:*:*:* |
| isc | dhcp | 4.1-esv | cpe:2.3:a:isc:dhcp:4.1-esv:rc1:*:*:*:*:*:* |
| debian | debian_linux | 6.0 | cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* |
| debian | debian_linux | 7.0 | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 11.04 | cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 11.10 | cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* |
| URL | 標籤 |
|---|---|
| http://lists.opensuse.org/opensuse-updates/2012-08/msg00030.html | Mailing List Third Party Advisory |
| http://rhn.redhat.com/errata/RHSA-2012-1141.html | Third Party Advisory |
| http://security.gentoo.org/glsa/glsa-201301-06.xml | Third Party Advisory |
| http://www.debian.org/security/2012/dsa-2516 | Third Party Advisory |
| http://www.debian.org/security/2012/dsa-2519 | Third Party Advisory |
| http://www.mandriva.com/security/advisories?name=MDVSA-2012:115 | Third Party Advisory |
| http://www.mandriva.com/security/advisories?name=MDVSA-2012:116 | Third Party Advisory |
| http://www.securityfocus.com/bid/54665 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id?1027300 | Third Party Advisory VDB Entry |
| http://www.ubuntu.com/usn/USN-1519-1 | Third Party Advisory |
| https://kb.isc.org/article/AA-00737 | Vendor Advisory |