The snprintf implementation in PostgreSQL before 9.0.20, 9.1.x before 9.1.16, 9.2.x before 9.2.11, 9.3.x before 9.3.7, and 9.4.x before 9.4.2 does not properly handle system-call errors, which allows attackers to obtain sensitive information or have other unspecified impact via unknown vectors, as demonstrated by an out-of-memory error.
結論預警: CVE-2015-3166 綜合評估為高風險（70.1/100）：CVSS 技術影響為嚴重級，利用機率偏高（EPSS 4.65%，百分位 91%） 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 | 5.39% | 4.65% | -0.74% |
| 2 | 2026-04-12 | 2.83% | 5.39% | +2.56% |
| 3 | 2026-04-11 | — | 2.83% | — |
完整 EPSS 歷史 （共 20 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 |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2015-3166: 1 GLSA(s) (201507-20), 1 atom(s) (dev-db/postgresql); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-3166 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2015-3166 |
ubuntu
|
medium | CVE-2015-3166 medium priority: Ubuntu including 4 source packages (postgresql-8.4, postgresql-9.1, postgresql-9.3, postgresql-9.4), 36 status rows across 9 suites (precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 25, released 9, ignored 1, needs-triage 1. | https://ubuntu.com/security/CVE-2015-3166 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| postgresql | postgresql | < 9.0.20 | cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* |
| postgresql | postgresql | >= 9.1, < 9.1.16 | cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* |
| postgresql | postgresql | >= 9.2, < 9.2.11 | cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* |
| postgresql | postgresql | >= 9.3, < 9.3.7 | cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* |
| postgresql | postgresql | >= 9.4, < 9.4.2 | cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* |
| 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:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 14.10 | cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 15.04 | cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* |
| URL | 標籤 |
|---|---|
| http://ubuntu.com/usn/usn-2621-1 | Third Party Advisory |
| http://www.debian.org/security/2015/dsa-3269 | Third Party Advisory |
| http://www.debian.org/security/2015/dsa-3270 | Third Party Advisory |
| http://www.postgresql.org/about/news/1587/ | Vendor Advisory |
| http://www.postgresql.org/docs/9.0/static/release-9-0-20.html | Release Notes Vendor Advisory |
| http://www.postgresql.org/docs/9.1/static/release-9-1-16.html | Release Notes Vendor Advisory |
| http://www.postgresql.org/docs/9.2/static/release-9-2-11.html | Release Notes Vendor Advisory |
| http://www.postgresql.org/docs/9.3/static/release-9-3-7.html | Release Notes Vendor Advisory |
| http://www.postgresql.org/docs/9.4/static/release-9-4-2.html | Release Notes Vendor Advisory |