libpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read access, and application crash) by triggering an invalid Unicode property lookup.
結論預警: CVE-2017-7186 綜合評估為中等風險（59.8/100）：CVSS 技術影響為高級，利用機率偏高（EPSS 5.03%，百分位 91%） 核心證據: EPSS 顯示該漏洞近期被利用的可能性處於高位。 強制指令: 被利用機率偏高—請盤點暴露面並優先安排修補。
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。
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 | 2026-06-15 | 7.10% | 5.03% | -2.07% |
| 2 | 2026-03-17 | 5.41% | 7.10% | +1.70% |
| 3 | 2025-11-21 | — | 5.41% | — |
完整 EPSS 歷史 （共 16 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 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2017-7186: 1 source package rows (pcre); 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-2017-7186 |
debian
|
not yet assigned | CVE-2017-7186 not yet assigned priority: Debian including 2 source packages (pcre2, pcre3), 7 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 7. | https://security-tracker.debian.org/tracker/CVE-2017-7186 |
gentoo
|
normal | CVE-2017-7186: 2 GLSA(s) (201710-09, 201710-25), 2 atom(s) (dev-libs/libpcre, dev-libs/libpcre2); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2017-7186 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2017-7186 |
suse
|
medium | CVE-2017-7186 severity moderate: SUSE including 363 source package names (24.324:libpcre1-8.45-8.7.1, 26.374:libpcre1-8.45-8.7.1, …), 872 product×package rows across 100 product lines (Container suse/ltss/sle12.5/sles12sp5, Container suse/sles12sp3, … (100 product lines)): Fixed 437, Known Not Affected 278, Known Affected 157. | https://www.suse.com/security/cve/CVE-2017-7186/ |
ubuntu
|
low | CVE-2017-7186 low priority: Ubuntu including 2 source packages (pcre2, pcre3), 46 status rows across 23 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, xenial, yakkety, zesty): not-affected 36, ignored 4, released 3, DNE 2, needed 1. | https://ubuntu.com/security/CVE-2017-7186 |