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."
総合評価: CVE-2012-4551 は中リスク（57.1/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 1.95%、78 パーセンタイル） 推奨対応: 影響資産を整理し、修補計画に組み込んでください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置（高いほど相対的に深刻）を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ（新 − 旧） |
|---|---|---|---|---|
| 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% | — |
EPSS の全履歴 （全 12 件）
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 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 |
| ベンダー | 製品 | バージョン | 生の 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:*:*:*:*:*:*:* |