PostgreSQL versions before 9.4.13, 9.5.8 and 9.6.4 are vulnerable to authorization flaw allowing remote authenticated attackers with no privileges on a large object to overwrite the entire contents of the object, resulting in a denial of service.
結論預警: CVE-2017-7548 綜合評估為中等風險（63.1/100）：CVSS 技術影響為高級，利用機率（EPSS 3.52%） 核心證據: 近一日 EPSS 上升 +2.45%，被利用關注度持續升高。 強制指令: 梳理受影響資產並納入修補計畫。
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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 | 1.07% | 3.52% | +2.45% |
| 2 | 2026-05-26 | 1.18% | 1.07% | -0.11% |
| 3 | 2026-05-17 | — | 1.18% | — |
完整 EPSS 歷史 （共 27 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 |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 4.0 | 2.0 | MEDIUM |
|
8.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2017-7548: 3 source package rows (postgresql, postgresql14, postgresql15); 16 state rows across 11 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-community, 3.19-main, 3.20-community, 3.20-main, edge-community, edge-main); fixed 16, open 0. | https://security.alpinelinux.org/vuln/CVE-2017-7548 |
gentoo
|
normal | CVE-2017-7548: 1 GLSA(s) (201710-06), 1 atom(s) (dev-db/postgresql); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2017-7548 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2017-7548 |
suse
|
high | CVE-2017-7548 severity important: SUSE including 59 source package names (libecpg6, libecpg6-10.10-1.15.1, …), 244 product×package rows across 34 product lines (SUSE Linux Enterprise Desktop 12 SP2, SUSE Linux Enterprise Desktop 12 SP3, … (34 product lines)): Fixed 210, Known Not Affected 34. | https://www.suse.com/security/cve/CVE-2017-7548/ |
ubuntu
|
medium | CVE-2017-7548 medium priority: Ubuntu including 5 source packages (postgresql-10, postgresql-9.1, postgresql-9.3, postgresql-9.5, postgresql-9.6), 40 status rows across 8 suites (artful, bionic, cosmic, disco, trusty, upstream, xenial, zesty): DNE 29, released 6, not-affected 3, needs-triage 2. | https://ubuntu.com/security/CVE-2017-7548 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| postgresql | postgresql | >= 9.4, < 9.4.13 | cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* |
| postgresql | postgresql | >= 9.5, < 9.5.8 | cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* |
| postgresql | postgresql | >= 9.6, < 9.6.4 | cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* |
| 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:*:*:*:*:*:*:* |
| URL | 標籤 |
|---|---|
| http://www.debian.org/security/2017/dsa-3935 | Third Party Advisory |
| http://www.debian.org/security/2017/dsa-3936 | Third Party Advisory |
| http://www.securityfocus.com/bid/100276 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1039142 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2017:2677 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2017:2678 | Third Party Advisory |
| https://security.gentoo.org/glsa/201710-06 | Third Party Advisory |
| https://www.postgresql.org/about/news/1772/ | Vendor Advisory |