Heap-based buffer overflow in Opera before 12.11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a long HTTP response.
総合評価: CVE-2012-6468 は高リスク（67.3/100）。CVSS 深刻度は重大。悪用される可能性が高い（EPSS 6.42%、91 パーセンタイル） 根拠: EPSS 上、短期間での悪用可能性は高い水準です。 推奨対応: 悪用可能性が高いため、影響範囲の確認と修補の優先付けを推奨します。
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 | 2025-09-25 | 8.06% | 6.42% | -1.65% |
| 2 | 2025-03-30 | 6.37% | 8.06% | +1.69% |
| 3 | 2025-03-29 | — | 6.37% | — |
EPSS の全履歴 （全 8 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 |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2012-6468: 1 GLSA(s) (201406-14), 1 atom(s) (www-client/opera); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-6468 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| opera | opera_browser | <= 12.10 | cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:* |
| opera | opera_browser | 1.00 | cpe:2.3:a:opera:opera_browser:1.00:*:*:*:*:*:*:* |
| opera | opera_browser | 2.00 | cpe:2.3:a:opera:opera_browser:2.00:*:*:*:*:*:*:* |
| opera | opera_browser | 2.10 | cpe:2.3:a:opera:opera_browser:2.10:*:*:*:*:*:*:* |
| opera | opera_browser | 2.10 | cpe:2.3:a:opera:opera_browser:2.10:beta1:*:*:*:*:*:* |
| opera | opera_browser | 2.10 | cpe:2.3:a:opera:opera_browser:2.10:beta2:*:*:*:*:*:* |
| opera | opera_browser | 2.10 | cpe:2.3:a:opera:opera_browser:2.10:beta3:*:*:*:*:*:* |
| opera | opera_browser | 2.12 | cpe:2.3:a:opera:opera_browser:2.12:*:*:*:*:*:*:* |
| opera | opera_browser | 3.00 | cpe:2.3:a:opera:opera_browser:3.00:*:*:*:*:*:*:* |
| opera | opera_browser | 3.00 | cpe:2.3:a:opera:opera_browser:3.00:beta:*:*:*:*:*:* |
| opera | opera_browser | 3.10 | cpe:2.3:a:opera:opera_browser:3.10:*:*:*:*:*:*:* |
| opera | opera_browser | 3.21 | cpe:2.3:a:opera:opera_browser:3.21:*:*:*:*:*:*:* |
| opera | opera_browser | 3.50 | cpe:2.3:a:opera:opera_browser:3.50:*:*:*:*:*:*:* |
| opera | opera_browser | 3.51 | cpe:2.3:a:opera:opera_browser:3.51:*:*:*:*:*:*:* |
| opera | opera_browser | 3.60 | cpe:2.3:a:opera:opera_browser:3.60:*:*:*:*:*:*:* |
| opera | opera_browser | 3.61 | cpe:2.3:a:opera:opera_browser:3.61:*:*:*:*:*:*:* |
| opera | opera_browser | 3.62 | cpe:2.3:a:opera:opera_browser:3.62:*:*:*:*:*:*:* |
| opera | opera_browser | 3.62 | cpe:2.3:a:opera:opera_browser:3.62:beta:*:*:*:*:*:* |
| opera | opera_browser | 4.00 | cpe:2.3:a:opera:opera_browser:4.00:*:*:*:*:*:*:* |
| opera | opera_browser | 4.00 | cpe:2.3:a:opera:opera_browser:4.00:beta2:*:*:*:*:*:* |
| opera | opera_browser | 4.00 | cpe:2.3:a:opera:opera_browser:4.00:beta3:*:*:*:*:*:* |
| opera | opera_browser | 4.00 | cpe:2.3:a:opera:opera_browser:4.00:beta4:*:*:*:*:*:* |
| opera | opera_browser | 4.00 | cpe:2.3:a:opera:opera_browser:4.00:beta5:*:*:*:*:*:* |
| opera | opera_browser | 4.00 | cpe:2.3:a:opera:opera_browser:4.00:beta6:*:*:*:*:*:* |
| opera | opera_browser | 4.01 | cpe:2.3:a:opera:opera_browser:4.01:*:*:*:*:*:*:* |
| opera | opera_browser | 4.02 | cpe:2.3:a:opera:opera_browser:4.02:*:*:*:*:*:*:* |
| opera | opera_browser | 5.0 | cpe:2.3:a:opera:opera_browser:5.0:*:*:*:*:*:*:* |
| opera | opera_browser | 5.0 | cpe:2.3:a:opera:opera_browser:5.0:beta2:*:*:*:*:*:* |
| opera | opera_browser | 5.0 | cpe:2.3:a:opera:opera_browser:5.0:beta3:*:*:*:*:*:* |
| opera | opera_browser | 5.0 | cpe:2.3:a:opera:opera_browser:5.0:beta4:*:*:*:*:*:* |
| opera | opera_browser | 5.0 | cpe:2.3:a:opera:opera_browser:5.0:beta5:*:*:*:*:*:* |
| opera | opera_browser | 5.0 | cpe:2.3:a:opera:opera_browser:5.0:beta6:*:*:*:*:*:* |
| opera | opera_browser | 5.0 | cpe:2.3:a:opera:opera_browser:5.0:beta7:*:*:*:*:*:* |
| opera | opera_browser | 5.0 | cpe:2.3:a:opera:opera_browser:5.0:beta8:*:*:*:*:*:* |
| opera | opera_browser | 5.02 | cpe:2.3:a:opera:opera_browser:5.02:*:*:*:*:*:*:* |
| opera | opera_browser | 5.10 | cpe:2.3:a:opera:opera_browser:5.10:*:*:*:*:*:*:* |
| opera | opera_browser | 5.11 | cpe:2.3:a:opera:opera_browser:5.11:*:*:*:*:*:*:* |
| opera | opera_browser | 5.12 | cpe:2.3:a:opera:opera_browser:5.12:*:*:*:*:*:*:* |
| opera | opera_browser | 6.0 | cpe:2.3:a:opera:opera_browser:6.0:*:*:*:*:*:*:* |
| opera | opera_browser | 6.0 | cpe:2.3:a:opera:opera_browser:6.0:beta1:*:*:*:*:*:* |
| opera | opera_browser | 6.0 | cpe:2.3:a:opera:opera_browser:6.0:beta2:*:*:*:*:*:* |
| opera | opera_browser | 6.0 | cpe:2.3:a:opera:opera_browser:6.0:beta3:*:*:*:*:*:* |
| opera | opera_browser | 6.0 | cpe:2.3:a:opera:opera_browser:6.0:tp1:*:*:*:*:*:* |
| opera | opera_browser | 6.0 | cpe:2.3:a:opera:opera_browser:6.0:tp2:*:*:*:*:*:* |
| opera | opera_browser | 6.0 | cpe:2.3:a:opera:opera_browser:6.0:tp3:*:*:*:*:*:* |
| opera | opera_browser | 6.1 | cpe:2.3:a:opera:opera_browser:6.1:*:*:*:*:*:*:* |
| opera | opera_browser | 6.01 | cpe:2.3:a:opera:opera_browser:6.01:*:*:*:*:*:*:* |
| opera | opera_browser | 6.1 | cpe:2.3:a:opera:opera_browser:6.1:beta1:*:*:*:*:*:* |
| opera | opera_browser | 6.02 | cpe:2.3:a:opera:opera_browser:6.02:*:*:*:*:*:*:* |
| opera | opera_browser | 6.03 | cpe:2.3:a:opera:opera_browser:6.03:*:*:*:*:*:*:* |
| opera | opera_browser | 6.04 | cpe:2.3:a:opera:opera_browser:6.04:*:*:*:*:*:*:* |
| opera | opera_browser | 6.05 | cpe:2.3:a:opera:opera_browser:6.05:*:*:*:*:*:*:* |
| opera | opera_browser | 6.06 | cpe:2.3:a:opera:opera_browser:6.06:*:*:*:*:*:*:* |
| opera | opera_browser | 6.11 | cpe:2.3:a:opera:opera_browser:6.11:*:*:*:*:*:*:* |
| opera | opera_browser | 6.12 | cpe:2.3:a:opera:opera_browser:6.12:*:*:*:*:*:*:* |
| opera | opera_browser | 7.0 | cpe:2.3:a:opera:opera_browser:7.0:*:*:*:*:*:*:* |
| opera | opera_browser | 7.0 | cpe:2.3:a:opera:opera_browser:7.0:beta1:*:*:*:*:*:* |
| opera | opera_browser | 7.0 | cpe:2.3:a:opera:opera_browser:7.0:beta1_v2:*:*:*:*:*:* |
| opera | opera_browser | 7.0 | cpe:2.3:a:opera:opera_browser:7.0:beta2:*:*:*:*:*:* |
| opera | opera_browser | 7.01 | cpe:2.3:a:opera:opera_browser:7.01:*:*:*:*:*:*:* |
| opera | opera_browser | 7.02 | cpe:2.3:a:opera:opera_browser:7.02:*:*:*:*:*:*:* |
| opera | opera_browser | 7.03 | cpe:2.3:a:opera:opera_browser:7.03:*:*:*:*:*:*:* |
| opera | opera_browser | 7.10 | cpe:2.3:a:opera:opera_browser:7.10:*:*:*:*:*:*:* |
| opera | opera_browser | 7.10 | cpe:2.3:a:opera:opera_browser:7.10:beta1:*:*:*:*:*:* |
| opera | opera_browser | 7.11 | cpe:2.3:a:opera:opera_browser:7.11:*:*:*:*:*:*:* |
| opera | opera_browser | 7.11 | cpe:2.3:a:opera:opera_browser:7.11:beta2:*:*:*:*:*:* |
| opera | opera_browser | 7.20 | cpe:2.3:a:opera:opera_browser:7.20:*:*:*:*:*:*:* |
| opera | opera_browser | 7.20 | cpe:2.3:a:opera:opera_browser:7.20:beta7:*:*:*:*:*:* |
| opera | opera_browser | 7.21 | cpe:2.3:a:opera:opera_browser:7.21:*:*:*:*:*:*:* |
| opera | opera_browser | 7.22 | cpe:2.3:a:opera:opera_browser:7.22:*:*:*:*:*:*:* |
| opera | opera_browser | 7.23 | cpe:2.3:a:opera:opera_browser:7.23:*:*:*:*:*:*:* |
| opera | opera_browser | 7.50 | cpe:2.3:a:opera:opera_browser:7.50:*:*:*:*:*:*:* |
| opera | opera_browser | 7.50 | cpe:2.3:a:opera:opera_browser:7.50:beta1:*:*:*:*:*:* |
| opera | opera_browser | 7.51 | cpe:2.3:a:opera:opera_browser:7.51:*:*:*:*:*:*:* |
| opera | opera_browser | 7.52 | cpe:2.3:a:opera:opera_browser:7.52:*:*:*:*:*:*:* |
| opera | opera_browser | 7.53 | cpe:2.3:a:opera:opera_browser:7.53:*:*:*:*:*:*:* |
| opera | opera_browser | 7.54 | cpe:2.3:a:opera:opera_browser:7.54:*:*:*:*:*:*:* |
| opera | opera_browser | 7.54 | cpe:2.3:a:opera:opera_browser:7.54:update1:*:*:*:*:*:* |
| opera | opera_browser | 7.54 | cpe:2.3:a:opera:opera_browser:7.54:update2:*:*:*:*:*:* |
| opera | opera_browser | 7.60 | cpe:2.3:a:opera:opera_browser:7.60:*:*:*:*:*:*:* |