The resolveImplicitLevels function in common/ubidi.c in the Unicode Bidirectional Algorithm implementation in ICU4C in International Components for Unicode (ICU) before 55.1 uses an integer data type that is inconsistent with a header file, which allows remote attackers to cause a denial of service (incorrect malloc followed by invalid free) or possibly execute arbitrary code via crafted text.
結論預警: CVE-2014-8147 綜合評估為高可利用風險（79.3/100）：CVSS 技術影響為高級，利用機率偏高（EPSS 23.35%，百分位 97%） 核心證據: 已收錄 3 筆公開利用參考（Exploit-DB）。 強制指令: 存在公開利用—請盤點暴露面、落實緩解措施並優先修補。
風險隨態勢動態變化；本站持續評估並同步更新本頁展示內容。
| EDB-ID | 來源 | 類型 | 公開時間 | 連結 |
|---|---|---|---|---|
| 43887 | exploit_db | edb | 2015-06-10 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS 日更估計相對被利用可能性；百分位表示該 CVE 在已評分漏洞中的相對排名（越高表示相對更嚴重）。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化（新 − 舊） |
|---|---|---|---|---|
| 1 | 2026-06-30 | 23.18% | 23.35% | +0.18% |
| 2 | 2026-06-15 | 41.90% | 23.18% | -18.73% |
| 3 | 2025-11-09 | — | 41.90% | — |
完整 EPSS 歷史 （共 13 筆）
該 CVE 的 CVSS 指標。
| 底座分 | 版本 | 嚴重度 | 向量 | 可利用性 | 影響 | 分數來源 |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2014-8147 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-2014-8147 |
gentoo
|
normal | CVE-2014-8147: 1 GLSA(s) (201507-04), 1 atom(s) (dev-libs/icu); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-8147 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2014-8147 |
suse
|
high | CVE-2014-8147 severity important: SUSE including 1308 source package names (apache-commons-logging-1.1.3-7.1, flute-1.3.0-4.2, …), 2199 product×package rows across 73 product lines (Image SLES12-SP5-Azure-BYOS, Image SLES12-SP5-Azure-Basic-On-Demand, … (73 product lines)): Fixed 2188, Known Not Affected 11. | https://www.suse.com/security/cve/CVE-2014-8147/ |
ubuntu
|
medium | CVE-2014-8147 medium priority: Ubuntu including 1 source packages (icu), 5 status rows across 5 suites (precise, trusty, upstream, utopic, vivid): released 4, not-affected 1. | https://ubuntu.com/security/CVE-2014-8147 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| apple | mac_os_x | <= 10.10.4 | cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* |
| apple | watchos | <= 1.0.1 | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
| icu-project | international_components_for_unicode | < 55.1 | cpe:2.3:a:icu-project:international_components_for_unicode:*:*:*:*:*:c\/c\+\+:*:* |