The Regular Expressions package in International Components for Unicode (ICU) 52 before SVN revision 292944, as used in Google Chrome before 40.0.2214.91, allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via vectors related to a look-behind expression.
総合評価: CVE-2014-7923 は中リスク（60.2/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 2.56%、86 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 | 2026-04-20 | 2.28% | 2.56% | +0.29% |
| 2 | 2025-11-29 | 2.70% | 2.28% | -0.42% |
| 3 | 2025-11-24 | — | 2.70% | — |
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 |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2014-7923 not yet assigned priority: Debian including 1 source packages (icu), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2014-7923 |
gentoo
|
normal | CVE-2014-7923: 2 GLSA(s) (201502-13, 201503-06), 2 atom(s) (dev-libs/icu, www-client/chromium); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-7923 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2014-7923 |
ubuntu
|
medium | CVE-2014-7923 medium priority: Ubuntu including 3 source packages (chromium-browser, icu, oxide-qt), 21 status rows across 7 suites (lucid, precise, trusty, upstream, utopic, vivid, wily): released 14, ignored 3, DNE 2, not-affected 2. | https://ubuntu.com/security/CVE-2014-7923 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| redhat | enterprise_linux_desktop_supplementary | 6.0 | cpe:2.3:o:redhat:enterprise_linux_desktop_supplementary:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_supplementary | 6.0 | cpe:2.3:o:redhat:enterprise_linux_server_supplementary:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_supplementary_eus | 6.6.z | cpe:2.3:o:redhat:enterprise_linux_server_supplementary_eus:6.6.z:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation_supplementary | 6.0 | cpe:2.3:o:redhat:enterprise_linux_workstation_supplementary:6.0:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.1 | cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.2 | cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* |
| icu-project | international_components_for_unicode | < 55.1 | cpe:2.3:a:icu-project:international_components_for_unicode:*:*:*:*:*:c\/c\+\+:*:* |
| oracle | communications_messaging_server | 7.0.5 | cpe:2.3:a:oracle:communications_messaging_server:7.0.5:*:*:*:*:*:*:* |
| oracle | communications_messaging_server | 8.0 | cpe:2.3:a:oracle:communications_messaging_server:8.0:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 14.10 | cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:* |
| chrome | <= 40.0.2214.85 | cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* |