The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 does not properly limit CNAME resolution, which allows remote attackers to cause a denial of service (worker process resource consumption) via vectors related to arbitrary name resolution.
結論預警: CVE-2016-0747 綜合評估為中等風險（49.2/100）：CVSS 技術影響為中級，利用機率偏高（EPSS 8.43%，百分位 94%） 核心證據: EPSS 顯示該漏洞近期被利用的可能性處於高位。 強制指令: 被利用機率偏高—請盤點暴露面並優先安排修補。
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 | 20.02% | 8.43% | -11.59% |
| 2 | 2026-05-20 | 20.44% | 20.02% | -0.42% |
| 3 | 2026-05-07 | — | 20.44% | — |
完整 EPSS 歷史 （共 40 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 |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-0747 not yet assigned priority: Debian including 1 source packages (nginx), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-0747 |
gentoo
|
normal | CVE-2016-0747: 1 GLSA(s) (201606-06), 1 atom(s) (www-servers/nginx); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-0747 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2016-0747 |
suse
|
low | CVE-2016-0747 severity low: SUSE including 19 source package names (GeoIP-1.4.7-2.10.1, libGeoIP1-1.4.7-2.10.1, …), 27 product×package rows across 15 product lines (SUSE Lifecycle Management Server 1.3, SUSE Linux Enterprise High Performance Computing 15-LTSS, … (15 product lines)): Fixed 23, Known Not Affected 4. | https://www.suse.com/security/cve/CVE-2016-0747/ |
ubuntu
|
medium | CVE-2016-0747 medium priority: Ubuntu including 1 source packages (nginx), 8 status rows across 8 suites (precise, trusty, upstream, vivid, wily, xenial, yakkety, zesty): released 6, ignored 2. | https://ubuntu.com/security/CVE-2016-0747 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| f5 | nginx | >= 0.6.18, < 1.8.1 | cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:* |
| f5 | nginx | >= 1.9.0, < 1.9.10 | cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 15.10 | cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* |
| debian | debian_linux | 7.0 | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| opensuse | leap | 42.1 | cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* |
| apple | xcode | < 13.0 | cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:* |
| URL | 標籤 |
|---|---|
| http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html | Mailing List Third Party Advisory |
| http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html | Vendor Advisory |
| http://seclists.org/fulldisclosure/2021/Sep/36 | Mailing List Third Party Advisory |
| http://www.debian.org/security/2016/dsa-3473 | Third Party Advisory |
| http://www.securitytracker.com/id/1034869 | Third Party Advisory VDB Entry |
| http://www.ubuntu.com/usn/USN-2892-1 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2016:1425 | Third Party Advisory |
| https://bto.bluecoat.com/security-advisory/sa115 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1302589 | Issue Tracking Patch Third Party Advisory |
| https://security.gentoo.org/glsa/201606-06 | Third Party Advisory |
| https://support.apple.com/kb/HT212818 | Third Party Advisory |