An uncontrolled resource consumption vulnerability was discovered in HAProxy which could crash the service. This issue could allow an authenticated remote attacker to run a specially crafted malicious server in an OpenShift cluster. The biggest impact is to availability.
総合評価: CVE-2023-0056 は中リスク（54.3/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 1.83%、76 パーセンタイル） 根拠: 直近 1 日で EPSS が +1.69% 上昇。悪用への関心が高まっている可能性があります。 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 | 0.15% | 1.83% | +1.69% |
| 2 | 2026-05-11 | 0.21% | 0.15% | -0.06% |
| 3 | 2025-11-21 | — | 0.21% | — |
EPSS の全履歴 （全 11 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 |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2023-0056 not yet assigned priority: Debian including 1 source packages (haproxy), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2023-0056 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2023-0056 |
suse
|
high | CVE-2023-0056 severity important: SUSE including 8 source package names (2.0.31.3.5.391:haproxy-2.0.31-150200.11.20.1, haproxy, …), 21 product×package rows across 21 product lines (Container ses/7.1/ceph/haproxy, HPE Helion OpenStack 8, … (21 product lines)): Fixed 12, Known Not Affected 9. | https://www.suse.com/security/cve/CVE-2023-0056/ |
ubuntu
|
medium | CVE-2023-0056 medium priority: Ubuntu including 1 source packages (haproxy), 7 status rows across 7 suites (bionic, focal, jammy, kinetic, trusty, upstream, xenial): released 3, not-affected 2, ignored 1, needs-triage 1. | https://ubuntu.com/security/CVE-2023-0056 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| haproxy | haproxy | — | cpe:2.3:a:haproxy:haproxy:-:*:*:*:*:*:*:* |
| redhat | ceph_storage | 5.0 | cpe:2.3:a:redhat:ceph_storage:5.0:*:*:*:*:*:*:* |
| redhat | software_collections | — | cpe:2.3:a:redhat:software_collections:-:*:*:*:*:*:*:* |
| redhat | openshift_container_platform | 4.12 | cpe:2.3:a:redhat:openshift_container_platform:4.12:*:*:*:*:*:*:* |
| redhat | openshift_container_platform_for_ibm_linuxone | 4.12 | cpe:2.3:a:redhat:openshift_container_platform_for_ibm_linuxone:4.12:*:*:*:*:*:*:* |
| redhat | openshift_container_platform_for_power | 4.12 | cpe:2.3:a:redhat:openshift_container_platform_for_power:4.12:*:*:*:*:*:*:* |
| redhat | openshift_container_platform_ibm_z_systems | 4.12 | cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.12:*:*:*:*:*:*:* |
| redhat | openshift_container_platform | 4.10 | cpe:2.3:a:redhat:openshift_container_platform:4.10:*:*:*:*:*:arm64:* |
| redhat | openshift_container_platform | 4.11 | cpe:2.3:a:redhat:openshift_container_platform:4.11:*:*:*:*:*:arm64:* |
| redhat | openshift_container_platform | 4.12 | cpe:2.3:a:redhat:openshift_container_platform:4.12:*:*:*:*:*:arm64:* |
| redhat | openshift_container_platform | 4.10 | cpe:2.3:a:redhat:openshift_container_platform:4.10:*:*:*:*:*:*:* |
| redhat | openshift_container_platform_for_ibm_linuxone | 4.10 | cpe:2.3:a:redhat:openshift_container_platform_for_ibm_linuxone:4.10:*:*:*:*:*:*:* |
| redhat | openshift_container_platform_for_power | 4.10 | cpe:2.3:a:redhat:openshift_container_platform_for_power:4.10:*:*:*:*:*:*:* |
| redhat | openshift_container_platform_ibm_z_systems | 4.10 | cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.10:*:*:*:*:*:*:* |
| redhat | openshift_container_platform | 4.11 | cpe:2.3:a:redhat:openshift_container_platform:4.11:*:*:*:*:*:*:* |
| redhat | openshift_container_platform_for_ibm_linuxone | 4.11 | cpe:2.3:a:redhat:openshift_container_platform_for_ibm_linuxone:4.11:*:*:*:*:*:*:* |
| redhat | openshift_container_platform_for_power | 4.11 | cpe:2.3:a:redhat:openshift_container_platform_for_power:4.11:*:*:*:*:*:*:* |
| redhat | openshift_container_platform_ibm_z_systems | 4.11 | cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.11:*:*:*:*:*:*:* |
| fedoraproject | extra_packages_for_enterprise_linux | 8.0 | cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:* |
| fedoraproject | fedora | 36 | cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* |
| fedoraproject | fedora | 37 | cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://access.redhat.com/security/cve/CVE-2023-0056 | Vendor Advisory |