modules/m_capab.c in (1) ircd-ratbox before 3.0.8 and (2) Charybdis before 3.4.2 does not properly support capability negotiation during server handshakes, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed request.
総合評価: CVE-2012-6084 は中リスク（52.6/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 3.05%、86 パーセンタイル） 根拠: 直近 1 日で EPSS が +2.59% 上昇。悪用への関心が高まっている可能性があります。 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 | 0.46% | 3.05% | +2.59% |
| 2 | 2025-12-03 | 0.62% | 0.46% | -0.16% |
| 3 | 2025-03-31 | — | 0.62% | — |
EPSS の全履歴 （全 10 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 |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2012-6084: 1 GLSA(s) (201405-21), 2 atom(s) (net-irc/charybdis, net-irc/shadowircd); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-6084 |
ubuntu
|
high | CVE-2012-6084 high priority: Ubuntu including 2 source packages (charybdis, ircd-ratbox), 36 status rows across 18 suites (artful, bionic, cosmic, hardy, lucid, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 14, DNE 10, not-affected 9, released 3. | https://ubuntu.com/security/CVE-2012-6084 |
: Per http://cwe.mitre.org/data/definitions/476.html 'NULL Pointer Dereference'
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| ircd-ratbox | ircd-ratbox | 1.0 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.0:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 1.1.1 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.1.1:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 1.1.2 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.1.2:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 1.2.1 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.2.1:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 1.2.2 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.2.2:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 1.2.3 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.2.3:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 1.3 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.3:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 1.3.1 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.3.1:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 1.3.2 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.3.2:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 1.4 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.4:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 1.4 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.4:rc1:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 1.4 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.4:rc2:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 1.5 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.5:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 1.5.1 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.5.1:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 1.5.2 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.5.2:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 1.5.3 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.5.3:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.0.1 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.1:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.0.2 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.2:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.0.3 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.3:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.0.4 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.4:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.0.5 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.5:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.0.6 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.6:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.0.7 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.7:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.0.8 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.8:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.0.9 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.9:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.0.10 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.10:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.0.11 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.11:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.1.0 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.0:beta1:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.1.0 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.0:beta2:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.1.1 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.1:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.1.2 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.2:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.1.3 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.3:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.1.4 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.4:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.1.5 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.5:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.1.6 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.6:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.1.7 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.7:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.1.8 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.8:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.2.0 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.0:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.2.0 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.0:rc1:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.2.0 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.0:rc2:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.2.0 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.0:rc3:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.2.1 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.1:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.2.2 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.2:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.2.3 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.3:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.2.4 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.4:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.2.5 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.5:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.2.6 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.6:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.2.7 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.7:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.2.7.1 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.7.1:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.2.8 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.8:*:*:*:*:*:*:* |
| ircd-ratbox | ircd-ratbox | 2.2.9 | cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.9:*:*:*:*:*:*:* |
| ratbox | ircd-ratbox | <= 3.0.7 | cpe:2.3:a:ratbox:ircd-ratbox:*:*:*:*:*:*:*:* |