GHSA-j6gc-792m-qgm2 · 深刻度: low · エコシステム: rubygems — ReDoS based DoS vulnerability in Active Support's underscore
A regular expression based DoS vulnerability in Active Support <6.1.7.1 and <7.0.4.1. A specially crafted string passed to the underscore method can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability.
総合評価: CVE-2023-22796 は中リスク(56.2/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 1.71%、74 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 | 2026-06-15 | 1.48% | 1.71% | +0.23% |
| 2 | 2026-04-21 | 1.73% | 1.48% | -0.25% |
| 3 | 2026-03-13 | — | 1.73% | — |
EPSS の全履歴 (全 39 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] |
GHSA-j6gc-792m-qgm2 · 深刻度: low · エコシステム: rubygems — ReDoS based DoS vulnerability in Active Support's underscore
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2023-22796: 1 source package rows (ruby-activesupport); 7 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 7, open 0. | https://security.alpinelinux.org/vuln/CVE-2023-22796 |
debian
|
not yet assigned | CVE-2023-22796 not yet assigned priority: Debian including 1 source packages (rails), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2023-22796 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2023-22796 |
suse
|
high | — | https://www.suse.com/security/cve/CVE-2023-22796/ |
ubuntu
|
medium | CVE-2023-22796 medium priority: Ubuntu including 7 source packages (rails, rails-4.0, …), 55 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 30, needs-triage 13, ignored 12. | https://ubuntu.com/security/CVE-2023-22796 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| activesupport_project | activesupport | < 6.1.7.1 | cpe:2.3:a:activesupport_project:activesupport:*:*:*:*:*:ruby:*:* |
| activesupport_project | activesupport | >= 7.0.0, < 7.0.4.1 | cpe:2.3:a:activesupport_project:activesupport:*:*:*:*:*:ruby:*:* |