The authoritative server in MaraDNS through 2.0.04 computes hash values for DNS data without restricting the ability to trigger hash collisions predictably, which might allow local users to cause a denial of service (CPU consumption) via crafted records in zone files, a different vulnerability than CVE-2012-0024.
結論預警: CVE-2011-5056 綜合評估為低風險（19.9/100）：CVSS 技術影響為低級，利用機率偏低（EPSS 0.40%） 強制指令: 綜合風險偏低，無需緊急處置；依例行週期修補，若 CVSS 或 EPSS 上升再複評優先級。
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 | 0.08% | 0.40% | +0.33% |
| 2 | 2025-03-17 | 0.04% | 0.08% | +0.04% |
| 3 | 2023-03-07 | — | 0.04% | — |
完整 EPSS 歷史 （共 4 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 |
|---|---|---|---|---|---|---|
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2011-5056 unimportant priority: Debian including 1 source packages (maradns), 1 status rows across 1 suites (bullseye): resolved 1. | https://security-tracker.debian.org/tracker/CVE-2011-5056 |
ubuntu
|
medium | CVE-2011-5056 medium priority: Ubuntu including 1 source packages (maradns), 29 status rows across 29 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hardy, hirsute, impish, jammy, kinetic, lucid, lunar, maverick, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 22, not-affected 5, DNE 1, needs-triage 1. | https://ubuntu.com/security/CVE-2011-5056 |
| URL | 標籤 |
|---|---|
| http://samiam.org/blog/20111229.html | Patch Third Party Advisory |
| http://www.securitytracker.com/id?1026820 | Third Party Advisory VDB Entry |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/72258 | Third Party Advisory VDB Entry |