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.
结论预警: CVE-2011-5056 综合评估为低风险（19.9/100）：CVSS 技术影响为低级，利用概率偏低（EPSS 0.40%） 强制指令: 综合风险偏低，无需紧急处置；按常规定期修补，若 CVSS 或 EPSS 上升再复评优先级。
风险随态势动态变化；本站持续评估并同步更新本页展示内容。
EPSS 日更估计相对被利用可能性；百分位表示该 CVE 在已评分漏洞中的相对排名（越高表示相对更严重）。
| # | 日期 | 旧 EPSS 分数 | 新 EPSS 分数 | 变化（新 − 旧） |
|---|---|---|---|---|
| 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 历史 （共 4 条）
该 CVE 的 CVSS 指标。
| 底座分 | 版本 | 严重度 | 向量 | 可利用性 | 影响 | 分数来源 |
|---|---|---|---|---|---|---|
| 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 | 标签 |
|---|---|
| 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 |