A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages are 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-2011-1490 綜合評估為低風險（32.5/100）：CVSS 技術影響為中級，利用機率偏低（EPSS 0.38%） 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 | 0.15% | 0.38% | +0.23% |
| 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-2011-1490 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-2011-1490 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2011-1490 |
ubuntu
|
low | CVE-2011-1490 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-2011-1490 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| rsyslog | rsyslog | < 5.7.6 | cpe:2.3:a:rsyslog:rsyslog:*:*:*:*:*:*:*:* |
| 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:*:*:*:*:*:*:* |
| opensuse | opensuse | 11.4 | cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* |
| 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-2011-1490 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-1490 | Issue Tracking Third Party Advisory |
| https://github.com/rsyslog/rsyslog/commit/1ef709cc97d54f74d3fdeb83788cc4b01f4c6a2a | Patch Third Party Advisory |
| https://security-tracker.debian.org/tracker/CVE-2011-1490 | Third Party Advisory |