In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets.
結論預警: CVE-2023-0809 綜合評估為低風險(39.2/100):CVSS 技術影響為中級,利用機率偏低(EPSS 0.61%) 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 | 0.05% | 0.61% | +0.56% |
| 2 | 2026-02-07 | 0.03% | 0.05% | +0.02% |
| 3 | 2025-11-21 | — | 0.03% | — |
完整 EPSS 歷史 (共 9 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 |
|---|---|---|---|---|---|---|
| 5.8 | 3.1 | MEDIUM |
|
3.9 | 1.4 | [email protected] |
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2023-0809: 1 source package rows (mosquitto); 59 state rows across 7 repos (3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 6, open 53. | https://security.alpinelinux.org/vuln/CVE-2023-0809 |
debian
|
not yet assigned | CVE-2023-0809 not yet assigned priority: Debian including 1 source packages (mosquitto), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2023-0809 |
gentoo
|
low | CVE-2023-0809: 1 GLSA(s) (202401-09), 1 atom(s) (app-misc/mosquitto); latest impact low. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2023-0809 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2023-0809 |
ubuntu
|
medium | CVE-2023-0809 medium priority: Ubuntu including 1 source packages (mosquitto), 11 status rows across 11 suites (bionic, focal, jammy, lunar, mantic, noble, oracular, plucky, trusty, upstream, xenial): not-affected 7, released 4. | https://ubuntu.com/security/CVE-2023-0809 |