contrib/slapd-modules/nops/nops.c in OpenLDAP through 2.4.45, when both the nops module and the memberof overlay are enabled, attempts to free a buffer that was allocated on the stack, which allows remote attackers to cause a denial of service (slapd crash) via a member MODDN operation.
総合評価: CVE-2017-17740 は中リスク(61.3/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 6.14%、91 パーセンタイル) 根拠: EPSS 上、短期間での悪用可能性は高い水準です。 推奨対応: 悪用可能性が高いため、影響範囲の確認と修補の優先付けを推奨します。
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 | 2026-05-27 | 6.64% | 6.14% | -0.51% |
| 2 | 2026-05-22 | 6.14% | 6.64% | +0.51% |
| 3 | 2026-04-20 | — | 6.14% | — |
EPSS の全履歴 (全 25 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 |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2017-17740: 1 source package rows (openldap); 10 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 10, open 0. | https://security.alpinelinux.org/vuln/CVE-2017-17740 |
debian
|
unimportant | CVE-2017-17740 unimportant priority: Debian including 1 source packages (openldap), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 5. | https://security-tracker.debian.org/tracker/CVE-2017-17740 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2017-17740 |
suse
|
medium | CVE-2017-17740 severity moderate: SUSE including 495 source package names (0.1.0:libldap-2_4-2-2.4.46-9.19.2, 0.1.0:libldap-data-2.4.46-9.19.2, …), 680 product×package rows across 160 product lines (Container bci/dotnet-aspnet, Container bci/dotnet-runtime, … (160 product lines)): Fixed 510, Known Affected 157, Known Not Affected 13. | https://www.suse.com/security/cve/CVE-2017-17740/ |
ubuntu
|
low | CVE-2017-17740 low priority: Ubuntu including 1 source packages (openldap), 5 status rows across 5 suites (artful, trusty, upstream, xenial, zesty): not-affected 4, needs-triage 1. | https://ubuntu.com/security/CVE-2017-17740 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| openldap | openldap | <= 2.4.45 | cpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:* |
| opensuse | leap | 15.0 | cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* |
| opensuse | leap | 15.1 | cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* |
| oracle | blockchain_platform | < 21.1.2 | cpe:2.3:a:oracle:blockchain_platform:*:*:*:*:*:*:*:* |
| mcafee | policy_auditor | < 6.5.1 | cpe:2.3:a:mcafee:policy_auditor:*:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.html | Mailing List Third Party Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00058.html | Mailing List Third Party Advisory |
| http://www.openldap.org/its/index.cgi/Incoming?id=8759 | Issue Tracking Vendor Advisory |
| https://kc.mcafee.com/corporate/index?page=content&id=SB10365 | Third Party Advisory |
| https://www.oracle.com/security-alerts/cpuapr2022.html | Patch Third Party Advisory |