The OpenSSL DSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.1a (Affected 1.1.1). Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.0.2q (Affected 1.0.2-1.0.2p).
総合評価: CVE-2018-0734 は中リスク（54.1/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 5.06%、90 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 | 2026-05-22 | 6.05% | 5.06% | -0.99% |
| 2 | 2026-03-04 | 3.47% | 6.05% | +2.58% |
| 3 | 2026-03-01 | — | 3.47% | — |
EPSS の全履歴 （全 45 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 |
|---|---|---|---|---|---|---|
| 5.9 | 3.1 | MEDIUM |
|
2.2 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
medium | CVE-2018-0734: 5 source package rows (nodejs, nodejs-current, openssl, openssl1.1-compat, openssl3); 32 state rows across 17 repos (3.10-main, 3.11-main, 3.12-main, 3.17-community, 3.17-main, 3.18-community, 3.18-main, 3.19-community, 3.19-main, 3.20-community, 3.20-main, 3.21-community, 3.21-main, 3.22-community, 3.22-main, edge-community, edge-main); fixed 32, open 0. | https://security.alpinelinux.org/vuln/CVE-2018-0734 |
debian
|
not yet assigned | CVE-2018-0734 not yet assigned priority: Debian including 1 source packages (openssl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2018-0734 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2018-0734 |
suse
|
medium | CVE-2018-0734 severity moderate: SUSE including 490 source package names (0.9.1:libopenssl1_0_0-1.0.2j-60.46.1, 0.9.1:openssl-1.0.2j-60.46.1, …), 966 product×package rows across 148 product lines (Container caasp/v4/default-http-backend, Container caasp/v4/dnsmasq-nanny, … (148 product lines)): Fixed 678, Known Affected 157, Known Not Affected 131. | https://www.suse.com/security/cve/CVE-2018-0734/ |
ubuntu
|
low | CVE-2018-0734 low priority: Ubuntu including 3 source packages (openssl, openssl098, openssl1.0), 30 status rows across 10 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, trusty, upstream, xenial): DNE 16, released 11, needs-triage 3. | https://ubuntu.com/security/CVE-2018-0734 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| openssl | openssl | >= 1.0.2, <= 1.0.2p | cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* |
| openssl | openssl | >= 1.1.0, <= 1.1.0i | cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* |
| openssl | openssl | 1.1.1 | cpe:2.3:a:openssl:openssl:1.1.1:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 18.04 | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 18.10 | cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| nodejs | node.js | >= 6.0.0, <= 6.8.1 | cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* |
| nodejs | node.js | >= 6.9.0, < 6.15.0 | cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:* |
| nodejs | node.js | >= 8.0.0, <= 8.8.1 | cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* |
| nodejs | node.js | >= 8.9.0, < 8.14.0 | cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:* |
| nodejs | node.js | >= 10.0.0, <= 10.12.0 | cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* |
| nodejs | node.js | >= 11.0.0, < 11.3.0 | cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* |
| nodejs | node.js | 10.13.0 | cpe:2.3:a:nodejs:node.js:10.13.0:*:*:*:lts:*:*:* |
| netapp | cn1610_firmware | — | cpe:2.3:o:netapp:cn1610_firmware:-:*:*:*:*:*:*:* |
| netapp | cloud_backup | — | cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* |
| netapp | oncommand_unified_manager | — | cpe:2.3:a:netapp:oncommand_unified_manager:*:*:*:*:*:*:*:* |
| netapp | santricity_smi-s_provider | — | cpe:2.3:a:netapp:santricity_smi-s_provider:-:*:*:*:*:*:*:* |
| netapp | snapcenter | — | cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:* |
| netapp | steelstore | — | cpe:2.3:a:netapp:steelstore:-:*:*:*:*:*:*:* |
| netapp | storage_automation_store | — | cpe:2.3:a:netapp:storage_automation_store:-:*:*:*:*:*:*:* |
| oracle | api_gateway | 11.1.2.4.0 | cpe:2.3:a:oracle:api_gateway:11.1.2.4.0:*:*:*:*:*:*:* |
| oracle | e-business_suite_technology_stack | 0.9.8 | cpe:2.3:a:oracle:e-business_suite_technology_stack:0.9.8:*:*:*:*:*:*:* |
| oracle | e-business_suite_technology_stack | 1.0.0 | cpe:2.3:a:oracle:e-business_suite_technology_stack:1.0.0:*:*:*:*:*:*:* |
| oracle | e-business_suite_technology_stack | 1.0.1 | cpe:2.3:a:oracle:e-business_suite_technology_stack:1.0.1:*:*:*:*:*:*:* |
| oracle | enterprise_manager_base_platform | 12.1.0.5.0 | cpe:2.3:a:oracle:enterprise_manager_base_platform:12.1.0.5.0:*:*:*:*:*:*:* |
| oracle | enterprise_manager_base_platform | 13.2.0.0.0 | cpe:2.3:a:oracle:enterprise_manager_base_platform:13.2.0.0.0:*:*:*:*:*:*:* |
| oracle | enterprise_manager_base_platform | 13.3.0.0.0 | cpe:2.3:a:oracle:enterprise_manager_base_platform:13.3.0.0.0:*:*:*:*:*:*:* |
| oracle | enterprise_manager_ops_center | 12.3.3 | cpe:2.3:a:oracle:enterprise_manager_ops_center:12.3.3:*:*:*:*:*:*:* |
| oracle | mysql_enterprise_backup | >= 3.0, <= 3.12.3 | cpe:2.3:a:oracle:mysql_enterprise_backup:*:*:*:*:*:*:*:* |
| oracle | mysql_enterprise_backup | >= 4.0, <= 4.1.2 | cpe:2.3:a:oracle:mysql_enterprise_backup:*:*:*:*:*:*:*:* |
| oracle | peoplesoft_enterprise_peopletools | 8.55 | cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.55:*:*:*:*:*:*:* |
| oracle | peoplesoft_enterprise_peopletools | 8.56 | cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.56:*:*:*:*:*:*:* |
| oracle | peoplesoft_enterprise_peopletools | 8.57 | cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:* |
| oracle | primavera_p6_professional_project_management | >= 17.7, <= 17.12 | cpe:2.3:a:oracle:primavera_p6_professional_project_management:*:*:*:*:*:*:*:* |
| oracle | primavera_p6_professional_project_management | 8.4 | cpe:2.3:a:oracle:primavera_p6_professional_project_management:8.4:*:*:*:*:*:*:* |
| oracle | primavera_p6_professional_project_management | 15.1 | cpe:2.3:a:oracle:primavera_p6_professional_project_management:15.1:*:*:*:*:*:*:* |
| oracle | primavera_p6_professional_project_management | 15.2 | cpe:2.3:a:oracle:primavera_p6_professional_project_management:15.2:*:*:*:*:*:*:* |
| oracle | primavera_p6_professional_project_management | 16.1 | cpe:2.3:a:oracle:primavera_p6_professional_project_management:16.1:*:*:*:*:*:*:* |
| oracle | primavera_p6_professional_project_management | 16.2 | cpe:2.3:a:oracle:primavera_p6_professional_project_management:16.2:*:*:*:*:*:*:* |
| oracle | primavera_p6_professional_project_management | 18.8 | cpe:2.3:a:oracle:primavera_p6_professional_project_management:18.8:*:*:*:*:*:*:* |
| oracle | tuxedo | 12.1.1.0.0 | cpe:2.3:a:oracle:tuxedo:12.1.1.0.0:*:*:*:*:*:*:* |