fetchmail 5.9.9 through 6.3.19 does not properly limit the wait time after issuing a (1) STARTTLS or (2) STLS request, which allows remote servers to cause a denial of service (application hang) by acknowledging the request but not sending additional packets.
総合評価: CVE-2011-1947 は中リスク（49.1/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 2.55%、83 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 | 2.44% | 2.55% | +0.11% |
| 2 | 2025-07-13 | 2.19% | 2.44% | +0.25% |
| 3 | 2025-03-30 | — | 2.19% | — |
EPSS の全履歴 （全 7 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 |
|---|---|---|---|
debian
|
unimportant | CVE-2011-1947 unimportant priority: Debian including 1 source packages (fetchmail), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2011-1947 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2011-1947 |
suse
|
medium | CVE-2011-1947 severity moderate: SUSE including 13 source package names (fetchmail-6.3.26-12.3, fetchmail-6.3.26-13.4, …), 40 product×package rows across 26 product lines (SUSE Linux Enterprise Desktop 12, SUSE Linux Enterprise Desktop 12 SP1, … (26 product lines)): Fixed 40. | https://www.suse.com/security/cve/CVE-2011-1947/ |
ubuntu
|
low | CVE-2011-1947 low priority: Ubuntu including 1 source packages (fetchmail), 27 status rows across 27 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hardy, hirsute, impish, jammy, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 19, not-affected 6, DNE 1, pending 1. | https://ubuntu.com/security/CVE-2011-1947 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| fetchmail | fetchmail | 5.9.9 | cpe:2.3:a:fetchmail:fetchmail:5.9.9:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 5.9.10 | cpe:2.3:a:fetchmail:fetchmail:5.9.10:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 5.9.11 | cpe:2.3:a:fetchmail:fetchmail:5.9.11:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 5.9.13 | cpe:2.3:a:fetchmail:fetchmail:5.9.13:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.0.0 | cpe:2.3:a:fetchmail:fetchmail:6.0.0:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.1.0 | cpe:2.3:a:fetchmail:fetchmail:6.1.0:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.1.3 | cpe:2.3:a:fetchmail:fetchmail:6.1.3:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.0 | cpe:2.3:a:fetchmail:fetchmail:6.2.0:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.1 | cpe:2.3:a:fetchmail:fetchmail:6.2.1:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.2 | cpe:2.3:a:fetchmail:fetchmail:6.2.2:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.3 | cpe:2.3:a:fetchmail:fetchmail:6.2.3:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.4 | cpe:2.3:a:fetchmail:fetchmail:6.2.4:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.5 | cpe:2.3:a:fetchmail:fetchmail:6.2.5:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.5.1 | cpe:2.3:a:fetchmail:fetchmail:6.2.5.1:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.5.2 | cpe:2.3:a:fetchmail:fetchmail:6.2.5.2:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.5.4 | cpe:2.3:a:fetchmail:fetchmail:6.2.5.4:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.6 | cpe:2.3:a:fetchmail:fetchmail:6.2.6:pre4:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.6 | cpe:2.3:a:fetchmail:fetchmail:6.2.6:pre8:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.6 | cpe:2.3:a:fetchmail:fetchmail:6.2.6:pre9:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.9 | cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc10:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.9 | cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc3:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.9 | cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc4:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.9 | cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc5:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.9 | cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc7:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.9 | cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc8:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.2.9 | cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc9:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.0 | cpe:2.3:a:fetchmail:fetchmail:6.3.0:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.1 | cpe:2.3:a:fetchmail:fetchmail:6.3.1:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.2 | cpe:2.3:a:fetchmail:fetchmail:6.3.2:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.3 | cpe:2.3:a:fetchmail:fetchmail:6.3.3:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.4 | cpe:2.3:a:fetchmail:fetchmail:6.3.4:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.5 | cpe:2.3:a:fetchmail:fetchmail:6.3.5:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.6 | cpe:2.3:a:fetchmail:fetchmail:6.3.6:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.6 | cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc1:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.6 | cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc2:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.6 | cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc3:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.6 | cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc4:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.6 | cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc5:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.7 | cpe:2.3:a:fetchmail:fetchmail:6.3.7:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.8 | cpe:2.3:a:fetchmail:fetchmail:6.3.8:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.9 | cpe:2.3:a:fetchmail:fetchmail:6.3.9:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.9 | cpe:2.3:a:fetchmail:fetchmail:6.3.9:rc2:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.10 | cpe:2.3:a:fetchmail:fetchmail:6.3.10:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.11 | cpe:2.3:a:fetchmail:fetchmail:6.3.11:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.12 | cpe:2.3:a:fetchmail:fetchmail:6.3.12:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.13 | cpe:2.3:a:fetchmail:fetchmail:6.3.13:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.14 | cpe:2.3:a:fetchmail:fetchmail:6.3.14:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.15 | cpe:2.3:a:fetchmail:fetchmail:6.3.15:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.16 | cpe:2.3:a:fetchmail:fetchmail:6.3.16:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.17 | cpe:2.3:a:fetchmail:fetchmail:6.3.17:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.18 | cpe:2.3:a:fetchmail:fetchmail:6.3.18:*:*:*:*:*:*:* |
| fetchmail | fetchmail | 6.3.19 | cpe:2.3:a:fetchmail:fetchmail:6.3.19:*:*:*:*:*:*:* |