An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can result in a crash. The processing of the PRIORITY flag in a HEADERS frame requires 5 extra bytes, and while these bytes are skipped, the total frame length was not re-checked to make sure they were present in the frame.
総合評価: CVE-2018-20615 は高リスク(65.9/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 4.46%、90 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。 直近 1 日で EPSS が +4.32% 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: 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 | 2026-06-15 | 0.14% | 4.46% | +4.32% |
| 2 | 2026-05-29 | 0.17% | 0.14% | -0.02% |
| 3 | 2026-05-26 | — | 0.17% | — |
EPSS の全履歴 (全 26 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 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2018-20615 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-2018-20615 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2018-20615 |
suse
|
high | CVE-2018-20615 severity important: SUSE including 9 source package names (haproxy, haproxy-1.8.17~git0.e89d25b2-3.9.1, …), 20 product×package rows across 20 product lines (HPE Helion OpenStack 8, SUSE Linux Enterprise High Availability Extension 12, … (20 product lines)): Known Not Affected 12, Fixed 8. | https://www.suse.com/security/cve/CVE-2018-20615/ |
ubuntu
|
medium | CVE-2018-20615 medium priority: Ubuntu including 1 source packages (haproxy), 5 status rows across 5 suites (bionic, cosmic, trusty, upstream, xenial): released 3, DNE 1, not-affected 1. | https://ubuntu.com/security/CVE-2018-20615 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| haproxy | haproxy | >= 1.8.0, <= 1.8.19 | cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* |
| haproxy | haproxy | 1.9.0 | cpe:2.3:a:haproxy:haproxy:1.9.0:-:*:*:*:*:*:* |
| haproxy | haproxy | 1.9.0 | cpe:2.3:a:haproxy:haproxy:1.9.0:dev0:*:*:*:*:*:* |
| haproxy | haproxy | 1.9.0 | cpe:2.3:a:haproxy:haproxy:1.9.0:dev1:*:*:*:*:*:* |
| haproxy | haproxy | 1.9.0 | cpe:2.3:a:haproxy:haproxy:1.9.0:dev10:*:*:*:*:*:* |
| haproxy | haproxy | 1.9.0 | cpe:2.3:a:haproxy:haproxy:1.9.0:dev11:*:*:*:*:*:* |
| haproxy | haproxy | 1.9.0 | cpe:2.3:a:haproxy:haproxy:1.9.0:dev2:*:*:*:*:*:* |
| haproxy | haproxy | 1.9.0 | cpe:2.3:a:haproxy:haproxy:1.9.0:dev3:*:*:*:*:*:* |
| haproxy | haproxy | 1.9.0 | cpe:2.3:a:haproxy:haproxy:1.9.0:dev4:*:*:*:*:*:* |
| haproxy | haproxy | 1.9.0 | cpe:2.3:a:haproxy:haproxy:1.9.0:dev5:*:*:*:*:*:* |
| haproxy | haproxy | 1.9.0 | cpe:2.3:a:haproxy:haproxy:1.9.0:dev6:*:*:*:*:*:* |
| haproxy | haproxy | 1.9.0 | cpe:2.3:a:haproxy:haproxy:1.9.0:dev7:*:*:*:*:*:* |
| haproxy | haproxy | 1.9.0 | cpe:2.3:a:haproxy:haproxy:1.9.0:dev8:*:*:*:*:*:* |
| haproxy | haproxy | 1.9.0 | cpe:2.3:a:haproxy:haproxy:1.9.0:dev9:*:*:*:*:*:* |
| opensuse | leap | 15.0 | cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* |
| 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:*:*:*:*:*:*:* |
| redhat | openshift_container_platform | 3.11 | cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 7.0 | cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 7.4 | cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 7.5 | cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 7.6 | cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00018.html | Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/106645 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHBA-2019:0327 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2019:0275 | Third Party Advisory |
| https://usn.ubuntu.com/3858-1/ | Third Party Advisory |
| https://www.mail-archive.com/haproxy%40formilux.org/msg32304.html |