xrdp is an open source remote desktop protocol server. Access to the font glyphs in xrdp_painter.c is not bounds-checked . Since some of this data is controllable by the user, this can result in an out-of-bounds read within the xrdp executable. The vulnerability allows an out-of-bounds read within a potentially privileged process. On non-Debian platforms, xrdp tends to run as root. Potentially an out-of-bounds write can follow the out-of-bounds read. There is no denial-of-service impact, providing xrdp is running in forking mode. This issue has been addressed in release 0.9.23.1. Users are advised to upgrade. There are no known workarounds for this vulnerability.
総合評価: CVE-2023-42822 は低リスク（34.5/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 0.63%、45 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 | 0.34% | 0.63% | +0.29% |
| 2 | 2025-11-21 | 0.52% | 0.34% | -0.18% |
| 3 | 2025-11-18 | — | 0.52% | — |
EPSS の全履歴 （全 13 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 |
|---|---|---|---|---|---|---|
| 4.6 | 3.1 | MEDIUM |
|
2.1 | 2.5 | [email protected] |
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
medium | CVE-2023-42822: 1 source package rows (xrdp); 16 state rows across 6 repos (3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 6, open 10. | https://security.alpinelinux.org/vuln/CVE-2023-42822 |
debian
|
not yet assigned | CVE-2023-42822 not yet assigned priority: Debian including 1 source packages (xrdp), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2023-42822 |
suse
|
medium | — | https://www.suse.com/security/cve/CVE-2023-42822/ |
ubuntu
|
medium | CVE-2023-42822 medium priority: Ubuntu including 1 source packages (xrdp), 12 status rows across 12 suites (bionic, focal, jammy, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): released 6, not-affected 3, ignored 2, needs-triage 1. | https://ubuntu.com/security/CVE-2023-42822 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| neutrinolabs | xrdp | < 0.9.23.1 | cpe:2.3:a:neutrinolabs:xrdp:*:*:*:*:*:*:*:* |
| fedoraproject | fedora | 37 | cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* |
| fedoraproject | fedora | 38 | cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* |