A use-after-free flaw was found in the xorg-x11-server. An X server crash may occur in a very specific and legacy configuration (a multi-screen setup with multiple protocol screens, also known as Zaphod mode) if the pointer is warped from within a window on one screen to the root window of the other screen and if the original window is destroyed followed by another window being destroyed.
総合評価: CVE-2023-5380 は低リスク（36.5/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 0.71%、49 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 | 0.08% | 0.71% | +0.63% |
| 2 | 2025-11-21 | 0.05% | 0.08% | +0.04% |
| 3 | 2025-11-18 | — | 0.05% | — |
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 |
|---|---|---|---|---|---|---|
| 4.7 | 3.1 | MEDIUM |
|
1.0 | 3.6 | [email protected] |
| 4.7 | 3.1 | MEDIUM |
|
1.0 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2023-5380: 2 source package rows (xorg-server, xwayland); 16 state rows across 6 repos (3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 12, open 4. | https://security.alpinelinux.org/vuln/CVE-2023-5380 |
debian
|
not yet assigned | CVE-2023-5380 not yet assigned priority: Debian including 1 source packages (xorg-server), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2023-5380 |
gentoo
|
normal | CVE-2023-5380: 1 GLSA(s) (202401-30), 2 atom(s) (x11-base/xorg-server, x11-base/xwayland); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2023-5380 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2023-5380 |
suse
|
medium | — | https://www.suse.com/security/cve/CVE-2023-5380/ |
ubuntu
|
medium | CVE-2023-5380 medium priority: Ubuntu including 11 source packages (xorg, xorg-hwe-16.04, …), 132 status rows across 12 suites (bionic, focal, jammy, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 84, not-affected 22, released 12, needs-triage 9, ignored 5. | https://ubuntu.com/security/CVE-2023-5380 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| x.org | x_server | < 21.1.9 | cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:* |
| x.org | xwayland | < 23.2.2 | cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 7.0 | cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 8.0 | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 9.0 | cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* |
| fedoraproject | fedora | 37 | cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* |
| fedoraproject | fedora | 38 | cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* |
| fedoraproject | fedora | 39 | cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* |
| debian | debian_linux | 11.0 | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
| debian | debian_linux | 12.0 | cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:* |