An issue was discovered in crop_page in PoDoFo 0.9.6. For a crafted PDF document, pPage->GetObject()->GetDictionary().AddKey(PdfName("MediaBox"),var) can be problematic due to the function GetObject() being called for the pPage NULL pointer object. The value of pPage at this point is 0x0, which causes a NULL pointer dereference.
結論預警: CVE-2018-20751 綜合評估為高可利用風險（77/100）：CVSS 技術影響為高級，利用機率（EPSS 1.64%） 核心證據: 已收錄 2 筆公開利用參考（Exploit-DB）。 近一日 EPSS 上升 +1.20%，被利用關注度持續升高。 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 |
|---|---|---|---|---|
| — | 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 | 2026-06-15 | 0.44% | 1.64% | +1.20% |
| 2 | 2025-03-30 | 1.48% | 0.44% | -1.05% |
| 3 | 2025-03-29 | — | 1.48% | — |
完整 EPSS 歷史 （共 12 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 |
|---|---|---|---|---|---|---|
| 8.8 | 3.0 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
high | CVE-2018-20751: 1 source package rows (podofo); 9 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 2. | https://security.alpinelinux.org/vuln/CVE-2018-20751 |
debian
|
not yet assigned | CVE-2018-20751 not yet assigned priority: Debian including 1 source packages (libpodofo), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2018-20751 |
suse
|
medium | CVE-2018-20751 severity moderate: SUSE including 8 source package names (libpodofo-0_10-devel-0.10.5-1.1, libpodofo-devel-0.9.2-3.9.2, …), 11 product×package rows across 6 product lines (SUSE Linux Enterprise Desktop 12 SP4, SUSE Linux Enterprise Software Development Kit 12 SP4, … (6 product lines)): Fixed 11. | https://www.suse.com/security/cve/CVE-2018-20751/ |
ubuntu
|
medium | CVE-2018-20751 medium priority: Ubuntu including 1 source packages (libpodofo), 19 status rows across 19 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 14, needs-triage 4, ignored 1. | https://ubuntu.com/security/CVE-2018-20751 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| podofo_project | podofo | 0.9.6 | cpe:2.3:a:podofo_project:podofo:0.9.6:*:*:*:*:*:*:* |
| URL | 標籤 |
|---|---|
| https://research.loginsoft.com/bugs/null-pointer-dereference-vulnerability-in-crop_page-podofo-0-9-6/ | Exploit Third Party Advisory |
| https://sourceforge.net/p/podofo/tickets/33/ | Exploit Third Party Advisory |