Postfix 2.4 before 2.4.9, 2.5 before 2.5.5, and 2.6 before 2.6-20080902, when used with the Linux 2.6 kernel, leaks epoll file descriptors during execution of "non-Postfix" commands, which allows local users to cause a denial of service (application slowdown or exit) via a crafted command, as demonstrated by a command in a .forward file.
結論預警: CVE-2008-3889 綜合評估為低風險（26/100）：CVSS 技術影響為低級，利用機率偏低（EPSS 0.71%） 強制指令: 持續追蹤利用情報與 EPSS 變化，並適時複評優先級。
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 | 0.06% | 0.71% | +0.64% |
| 2 | 2025-03-17 | 0.04% | 0.06% | +0.02% |
| 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
|
low | CVE-2008-3889 low priority: Debian including 1 source packages (postfix), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2008-3889 |
gentoo
|
normal | CVE-2008-3889: 1 GLSA(s) (200809-09), 1 atom(s) (mail-mta/postfix); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2008-3889 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2008-3889 |
ubuntu
|
low | CVE-2008-3889 low priority: Ubuntu including 1 source packages (postfix), 5 status rows across 5 suites (dapper, feisty, gutsy, hardy, upstream): released 3, not-affected 2. | https://ubuntu.com/security/CVE-2008-3889 |
Not vulnerable. This issue did not affect the versions Postfix as shipped with Red Hat Enterprise Linux 3, 4, or 5.
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| postfix | postfix | 2.4 | cpe:2.3:a:postfix:postfix:2.4:*:*:*:*:*:*:* |
| postfix | postfix | 2.4.0 | cpe:2.3:a:postfix:postfix:2.4.0:*:*:*:*:*:*:* |
| postfix | postfix | 2.4.1 | cpe:2.3:a:postfix:postfix:2.4.1:*:*:*:*:*:*:* |
| postfix | postfix | 2.4.2 | cpe:2.3:a:postfix:postfix:2.4.2:*:*:*:*:*:*:* |
| postfix | postfix | 2.4.3 | cpe:2.3:a:postfix:postfix:2.4.3:*:*:*:*:*:*:* |
| postfix | postfix | 2.4.4 | cpe:2.3:a:postfix:postfix:2.4.4:*:*:*:*:*:*:* |
| postfix | postfix | 2.4.5 | cpe:2.3:a:postfix:postfix:2.4.5:*:*:*:*:*:*:* |
| postfix | postfix | 2.4.6 | cpe:2.3:a:postfix:postfix:2.4.6:*:*:*:*:*:*:* |
| postfix | postfix | 2.4.7 | cpe:2.3:a:postfix:postfix:2.4.7:*:*:*:*:*:*:* |
| postfix | postfix | 2.4.8 | cpe:2.3:a:postfix:postfix:2.4.8:*:*:*:*:*:*:* |
| postfix | postfix | 2.5.1 | cpe:2.3:a:postfix:postfix:2.5.1:*:*:*:*:*:*:* |
| postfix | postfix | 2.5.2 | cpe:2.3:a:postfix:postfix:2.5.2:*:*:*:*:*:*:* |
| postfix | postfix | 2.5.3 | cpe:2.3:a:postfix:postfix:2.5.3:*:*:*:*:*:*:* |
| postfix | postfix | 2.6 | cpe:2.3:a:postfix:postfix:2.6:*:*:*:*:*:*:* |