In PHP through 5.6.33, 7.0.x before 7.0.28, 7.1.x through 7.1.14, and 7.2.x through 7.2.2, there is a stack-based buffer under-read while parsing an HTTP response in the php_stream_url_wrap_http_ex function in ext/standard/http_fopen_wrapper.c. This subsequently results in copying a large string.
結論預警: CVE-2018-7584 綜合評估為高可利用風險（88.8/100）：CVSS 技術影響為嚴重級，利用機率偏高（EPSS 87.61%，百分位 100%） 核心證據: 已收錄 2 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 |
|---|---|---|---|---|
| 44846 | exploit_db | edb | 2018-06-06 | 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 | 2026-07-08 | 87.88% | 87.61% | -0.28% |
| 2 | 2026-06-15 | 83.07% | 87.88% | +4.82% |
| 3 | 2026-03-04 | — | 83.07% | — |
完整 EPSS 歷史 （共 52 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 |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2018-7584 |
suse
|
medium | CVE-2018-7584 severity moderate: SUSE including 232 source package names (apache2-mod_php5-5.2.14-0.7.30.111.20.1, apache2-mod_php5-5.5.14-109.24.1, …), 440 product×package rows across 14 product lines (SUSE Liberty Linux 7, SUSE Liberty Linux 7 LTSS, … (14 product lines)): Fixed 440. | https://www.suse.com/security/cve/CVE-2018-7584/ |
ubuntu
|
medium | CVE-2018-7584 medium priority: Ubuntu including 4 source packages (php5, php7.0, php7.1, php7.2), 20 status rows across 5 suites (artful, bionic, trusty, upstream, xenial): DNE 12, released 8. | https://ubuntu.com/security/CVE-2018-7584 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| php | php | <= 5.6.33 | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* |
| php | php | >= 7.0.0, < 7.0.28 | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* |
| php | php | >= 7.1.0, <= 7.1.14 | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* |
| php | php | >= 7.2.0, <= 7.2.2 | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 17.10 | cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* |
| debian | debian_linux | 7.0 | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| URL | 標籤 |
|---|---|
| http://php.net/ChangeLog-7.php | Release Notes |
| http://www.securityfocus.com/bid/103204 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1041607 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2019:2519 | |
| https://bugs.php.net/bug.php?id=75981 | Issue Tracking |
| https://github.com/php/php-src/commit/523f230c831d7b33353203fa34aee4e92ac12bba | Patch |
| https://lists.debian.org/debian-lts-announce/2018/03/msg00030.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2018/06/msg00005.html | Mailing List Third Party Advisory |
| https://usn.ubuntu.com/3600-1/ | Third Party Advisory |
| https://usn.ubuntu.com/3600-2/ | Third Party Advisory |
| https://www.debian.org/security/2018/dsa-4240 | Third Party Advisory |
| https://www.exploit-db.com/exploits/44846/ | Exploit Third Party Advisory VDB Entry |
| https://www.tenable.com/security/tns-2018-03 | Third Party Advisory |
| https://www.tenable.com/security/tns-2018-12 | Third Party Advisory |