A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages were logged when multiple rulesets were used and some output batches contained messages belonging to more than one ruleset. A local attacker could cause denial of the rsyslogd daemon service via a log message belonging to more than one ruleset.
結論預警: CVE-2011-1489 綜合評估為存在公開利用（50.3/100）：CVSS 技術影響為中級，利用機率偏低（EPSS 0.47%） 核心證據: 已收錄 1 筆公開利用參考（Exploit-DB）。 強制指令: 存在公開利用—請盤點暴露面、落實緩解措施並優先修補。
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。
| EDB-ID | 來源 | 類型 | 公開時間 | 連結 |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 0.15% | 0.47% | +0.32% |
| 2 | 2025-03-24 | 0.06% | 0.15% | +0.09% |
| 3 | 2025-03-17 | — | 0.06% | — |
完整 EPSS 歷史 （共 5 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 |
|---|---|---|---|---|---|---|
| 5.5 | 3.1 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2011-1489 low priority: Debian including 1 source packages (rsyslog), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2011-1489 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2011-1489 |
ubuntu
|
low | CVE-2011-1489 low priority: Ubuntu including 1 source packages (rsyslog), 13 status rows across 13 suites (hardy, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid): not-affected 8, ignored 4, released 1. | https://ubuntu.com/security/CVE-2011-1489 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| rsyslog | rsyslog | < 5.7.6 | cpe:2.3:a:rsyslog:rsyslog:*:*:*:*:*:*:*:* |
| opensuse | opensuse | 11.4 | cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* |
| 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:*:*:*:*:*:*:* |
| debian | debian_linux | 10.0 | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
| URL | 標籤 |
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00005.html | Mailing List Third Party Advisory |
| https://access.redhat.com/security/cve/cve-2011-1489 | Exploit Patch Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-1489 | Issue Tracking Third Party Advisory |
| https://github.com/rsyslog/rsyslog/commit/1ef709cc97d54f74d3fdeb83788cc4b01f4c6a2a | Patch Third Party Advisory |
| https://security-tracker.debian.org/tracker/CVE-2011-1489 | Third Party Advisory |