A buffer overflow was found in the way GNU Screen before 4.8.0 treated the special escape OSC 49. Specially crafted output, or a special program, could corrupt memory and crash Screen or possibly have unspecified other impact.
総合評価: CVE-2020-9366 は中リスク(64.1/100)。CVSS 深刻度は重大。悪用される可能性が高い(EPSS 0.73%、72 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 | 2025-11-21 | 1.00% | 0.73% | -0.27% |
| 2 | 2025-11-18 | 0.73% | 1.00% | +0.27% |
| 3 | 2025-03-30 | — | 0.73% | — |
EPSS の全履歴 (全 12 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 |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
critical | CVE-2020-9366: 1 source package rows (screen); 12 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 12, open 0. | https://security.alpinelinux.org/vuln/CVE-2020-9366 |
debian
|
not yet assigned | CVE-2020-9366 not yet assigned priority: Debian including 1 source packages (screen), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2020-9366 |
gentoo
|
normal | CVE-2020-9366: 1 GLSA(s) (202003-62), 1 atom(s) (app-misc/screen); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2020-9366 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2020-9366 |
suse
|
medium | CVE-2020-9366 severity moderate: SUSE including 1 source package names (screen), 14 product×package rows across 14 product lines (SUSE CaaS Platform 3.0, SUSE Container as a Service Platform 2.0, … (14 product lines)): Known Not Affected 14. | https://www.suse.com/security/cve/CVE-2020-9366/ |
ubuntu
|
medium | CVE-2020-9366 medium priority: Ubuntu including 1 source packages (screen), 5 status rows across 5 suites (bionic, eoan, trusty, upstream, xenial): not-affected 4, released 1. | https://ubuntu.com/security/CVE-2020-9366 |
| URL | タグ |
|---|---|
| http://www.openwall.com/lists/oss-security/2020/02/25/1 | Mailing List Third Party Advisory |
| https://lists.gnu.org/archive/html/screen-devel/2020-02/msg00007.html | Mailing List Patch Release Notes Vendor Advisory |
| https://security.gentoo.org/glsa/202003-62 | Third Party Advisory |
| https://www.openwall.com/lists/oss-security/2020/02/06/3 | Mailing List Patch Release Notes |