libqpdf.a in QPDF 6.0.0 allows remote attackers to cause a denial of service (infinite recursion and stack consumption) via a crafted PDF document, related to QPDFObjectHandle::parseInternal, aka qpdf-infiniteloop2.
結論預警: CVE-2017-9209 綜合評估為中等風險（47.4/100）：CVSS 技術影響為中級，利用機率（EPSS 1.43%） 核心證據: 近一日 EPSS 上升 +1.13%，被利用關注度持續升高。 強制指令: 梳理受影響資產並納入修補計畫。
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 | 0.30% | 1.43% | +1.13% |
| 2 | 2026-03-27 | 0.23% | 0.30% | +0.07% |
| 3 | 2025-03-30 | — | 0.23% | — |
完整 EPSS 歷史 （共 8 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 |
|---|---|---|---|---|---|---|
| 5.5 | 3.0 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2017-9209: 1 source package rows (qpdf); 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-2017-9209 |
debian
|
low | CVE-2017-9209 low priority: Debian including 1 source packages (qpdf), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2017-9209 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2017-9209 |
suse
|
medium | CVE-2017-9209 severity moderate: SUSE including 34 source package names (cups-filters-1.0.58-15.2.1, cups-filters-1.0.58-19.2.3, …), 166 product×package rows across 50 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 4, … (50 product lines)): Fixed 139, Known Not Affected 27. | https://www.suse.com/security/cve/CVE-2017-9209/ |
ubuntu
|
negligible | CVE-2017-9209 negligible priority: Ubuntu including 1 source packages (qpdf), 6 status rows across 6 suites (artful, bionic, trusty, upstream, xenial, zesty): released 3, not-affected 2, ignored 1. | https://ubuntu.com/security/CVE-2017-9209 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| qpdf_project | qpdf | 6.0.0 | cpe:2.3:a:qpdf_project:qpdf:6.0.0:*:*:*:*:*:*:* |
| 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:*:*:*:*:*:*:* |
| URL | 標籤 |
|---|---|
| https://blogs.gentoo.org/ago/2017/05/21/qpdf-three-infinite-loop-in-libqpdf/ | Patch Third Party Advisory |
| https://usn.ubuntu.com/3638-1/ | Third Party Advisory |