Use-after-free vulnerability in libunity-webapps before 2.4.1 allows remote attackers to cause a denial of service (memory corruption and crash) and possibly execute arbitrary code via a crafted web site, related to "certain hash tables."
結論預警: CVE-2012-4551 綜合評估為中等風險（57.1/100）：CVSS 技術影響為高級，利用機率（EPSS 1.95%） 強制指令: 梳理受影響資產並納入修補計畫。
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 | 2.00% | 1.95% | -0.05% |
| 2 | 2025-03-30 | 3.14% | 2.00% | -1.14% |
| 3 | 2025-03-29 | — | 3.14% | — |
完整 EPSS 歷史 （共 12 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 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2012-4551 medium priority: Ubuntu including 1 source packages (libunity-webapps), 6 status rows across 6 suites (hardy, lucid, oneiric, precise, quantal, upstream): DNE 4, needs-triage 1, released 1. | https://ubuntu.com/security/CVE-2012-4551 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| ps_project_management_team | libunity-webapps | <= 2.4.0 | cpe:2.3:a:ps_project_management_team:libunity-webapps:*:*:*:*:*:*:*:* |
| ps_project_management_team | libunity-webapps | 0.02 | cpe:2.3:a:ps_project_management_team:libunity-webapps:0.02:*:*:*:*:*:*:* |
| ps_project_management_team | libunity-webapps | 0.2.1 | cpe:2.3:a:ps_project_management_team:libunity-webapps:0.2.1:*:*:*:*:*:*:* |
| ps_project_management_team | libunity-webapps | 0.3 | cpe:2.3:a:ps_project_management_team:libunity-webapps:0.3:*:*:*:*:*:*:* |
| ps_project_management_team | libunity-webapps | 0.3.1 | cpe:2.3:a:ps_project_management_team:libunity-webapps:0.3.1:*:*:*:*:*:*:* |
| ps_project_management_team | libunity-webapps | 2.0 | cpe:2.3:a:ps_project_management_team:libunity-webapps:2.0:*:*:*:*:*:*:* |
| ps_project_management_team | libunity-webapps | 2.0.1 | cpe:2.3:a:ps_project_management_team:libunity-webapps:2.0.1:*:*:*:*:*:*:* |
| ps_project_management_team | libunity-webapps | 2.1 | cpe:2.3:a:ps_project_management_team:libunity-webapps:2.1:*:*:*:*:*:*:* |
| ps_project_management_team | libunity-webapps | 2.3 | cpe:2.3:a:ps_project_management_team:libunity-webapps:2.3:*:*:*:*:*:*:* |
| ps_project_management_team | libunity-webapps | 2.3.1 | cpe:2.3:a:ps_project_management_team:libunity-webapps:2.3.1:*:*:*:*:*:*:* |
| ps_project_management_team | libunity-webapps | 2.3.2 | cpe:2.3:a:ps_project_management_team:libunity-webapps:2.3.2:*:*:*:*:*:*:* |
| ps_project_management_team | libunity-webapps | 2.3.3 | cpe:2.3:a:ps_project_management_team:libunity-webapps:2.3.3:*:*:*:*:*:*:* |
| ps_project_management_team | libunity-webapps | 2.3.4 | cpe:2.3:a:ps_project_management_team:libunity-webapps:2.3.4:*:*:*:*:*:*:* |
| ps_project_management_team | libunity-webapps | 2.3.5 | cpe:2.3:a:ps_project_management_team:libunity-webapps:2.3.5:*:*:*:*:*:*:* |
| ps_project_management_team | libunity-webapps | 2.3.6 | cpe:2.3:a:ps_project_management_team:libunity-webapps:2.3.6:*:*:*:*:*:*:* |
| ps_project_management_team | libunity-webapps | 2.3.7 | cpe:2.3:a:ps_project_management_team:libunity-webapps:2.3.7:*:*:*:*:*:*:* |
| ps_project_management_team | libunity-webapps | 2.3.8 | cpe:2.3:a:ps_project_management_team:libunity-webapps:2.3.8:*:*:*:*:*:*:* |
| ps_project_management_team | libunity-webapps | 2.3.9 | cpe:2.3:a:ps_project_management_team:libunity-webapps:2.3.9:*:*:*:*:*:*:* |