本页列出影响 pdftools_project pdftools 的已公开 CVE 漏洞（通过 NVD CPE 关联）。每行包含严重程度评分、摘要与发布日期，便于识别与分析安全问题。
| CVE | 摘要 | 来源 | 最高 CVSS | EPSS % | 公开时间 | 更新时间 |
|---|---|---|---|---|---|---|
| CVE-2021-39543 | An issue was discovered in pdftools through 20200714. A NULL pointer dereference exists in the function Analyze::AnalyzeRoot() located in analyze.cpp. It allows an attacker to cause Denial of Service. | [email protected] | 5.5 | 0.61% | 2021-09-20 | 2026-06-17 |
| CVE-2021-39542 | An issue was discovered in pdftools through 20200714. A NULL pointer dereference exists in the function Font::Size() located in font.cpp. It allows an attacker to cause Denial of Service. | [email protected] | 5.5 | 0.61% | 2021-09-20 | 2026-06-17 |
| CVE-2021-39541 | An issue was discovered in pdftools through 20200714. A NULL pointer dereference exists in the function Analyze::AnalyzeXref() located in analyze.cpp. It allows an attacker to cause Denial of Service. | [email protected] | 5.5 | 0.61% | 2021-09-20 | 2026-06-17 |
| CVE-2021-39540 | An issue was discovered in pdftools through 20200714. A stack-buffer-overflow exists in the function Analyze::AnalyzePages() located in analyze.cpp. It allows an attacker to cause code Execution. | [email protected] | 7.8 | 1.02% | 2021-09-20 | 2026-06-17 |
| CVE-2021-39539 | An issue was discovered in pdftools through 20200714. A NULL pointer dereference exists in the function node::BDCNode::~BDCNode() located in bdcnode.cpp. It allows an attacker to cause Denial of Service. | [email protected] | 5.5 | 0.61% | 2021-09-20 | 2026-06-17 |
| CVE-2021-39538 | An issue was discovered in pdftools through 20200714. A NULL pointer dereference exists in the function node::ObjNode::Value() located in objnode.cpp. It allows an attacker to cause Denial of Service. | [email protected] | 5.5 | 0.61% | 2021-09-20 | 2026-06-17 |