Multiple memory leaks in Ipsec-tools before 0.7.2 allow remote attackers to cause a denial of service (memory consumption) via vectors involving (1) signature verification during user authentication with X.509 certificates, related to the eay_check_x509sign function in src/racoon/crypto_openssl.c; and (2) the NAT-Traversal (aka NAT-T) keepalive implementation, related to src/racoon/nattraversal.c.
総合評価: CVE-2009-1632 は中リスク（44.8/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 2.03%、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 | 4.70% | 2.03% | -2.67% |
| 2 | 2026-04-12 | 4.31% | 4.70% | +0.40% |
| 3 | 2025-03-30 | — | 4.31% | — |
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 |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2009-1632: 1 GLSA(s) (200905-03), 1 atom(s) (net-firewall/ipsec-tools); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2009-1632 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2009-1632 |
ubuntu
|
medium | CVE-2009-1632 medium priority: Ubuntu including 1 source packages (ipsec-tools), 5 status rows across 5 suites (dapper, hardy, intrepid, jaunty, upstream): released 5. | https://ubuntu.com/security/CVE-2009-1632 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| ipsec-tools | ipsec-tools | <= 0.7.1 | cpe:2.3:a:ipsec-tools:ipsec-tools:*:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.1 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.1:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.2 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.2:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.2.1 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.2.1:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.2.2 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.2.2:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.2.3 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.2.3:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.2.4 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.2.4:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.3 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.3:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.3 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.3:rc1:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.3 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.3:rc2:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.3 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.3:rc3:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.3 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.3:rc4:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.3 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.3:rc5:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.3.1 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.3.1:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.3.2 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.3.2:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.3.3 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.3.3:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.3_rc1 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.3_rc1:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.3_rc2 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.3_rc2:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.3_rc3 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.3_rc3:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.3_rc4 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.3_rc4:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.3_rc5 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.3_rc5:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.4 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.4:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.4 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.4:rc1:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.5 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.5:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.5.1 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.5.1:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.5.2 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.5.2:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.6 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.6:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.6.1 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.6.1:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.6.2 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.6.2:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.6.3 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.6.3:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.6.4 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.6.4:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.6.5 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.6.5:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.6.6 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.6.6:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.6.7 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.6.7:*:*:*:*:*:*:* |
| ipsec-tools | ipsec-tools | 0.7 | cpe:2.3:a:ipsec-tools:ipsec-tools:0.7:*:*:*:*:*:*:* |