NetHack is a single player dungeon exploration game. Starting with version 3.6.2 and prior to version 3.6.7, illegal input to the "C" (call) command can cause a buffer overflow and crash the NetHack process. This vulnerability may be a security issue for systems that have NetHack installed suid/sgid and for shared systems. For all systems, it may result in a process crash. This issue is resolved in NetHack 3.6.7. There are no known workarounds.
総合評価: CVE-2023-24809 は低リスク（27.2/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 0.24%、14 パーセンタイル） 推奨対応: 悪用情報と EPSS の推移を監視し、必要に応じて優先度を見直してください。
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 | 0.06% | 0.24% | +0.18% |
| 2 | 2025-12-14 | 0.04% | 0.06% | +0.01% |
| 3 | 2025-03-30 | — | 0.04% | — |
EPSS の全履歴 （全 6 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 |
|---|---|---|---|---|---|---|
| 5.5 | 3.1 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 5.5 | 3.1 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
medium | CVE-2023-24809: 1 source package rows (nethack); 9 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 6, open 3. | https://security.alpinelinux.org/vuln/CVE-2023-24809 |
debian
|
not yet assigned | CVE-2023-24809 not yet assigned priority: Debian including 1 source packages (nethack), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 3, open 2. | https://security-tracker.debian.org/tracker/CVE-2023-24809 |
ubuntu
|
medium | CVE-2023-24809 medium priority: Ubuntu including 1 source packages (nethack), 13 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): needs-triage 7, ignored 6. | https://ubuntu.com/security/CVE-2023-24809 |
| URL | タグ |
|---|---|
| https://github.com/NetHack/NetHack/security/advisories/GHSA-2cqv-5w4v-mgch | Vendor Advisory |
| https://nethack.org/security/CVE-2023-24809.html | Vendor Advisory |