An issue has been found in pdfalto through 0.2. It is a heap-based buffer overflow in the function TextPage::dump in XmlAltoOutputDev.cc.
Conclusion & alert: CVE-2018-17338 is rated High Exploit Risk (70.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.25%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.03% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.21% | 1.25% | +1.03% |
| 2 | 2025-03-30 | 0.32% | 0.21% | -0.11% |
| 3 | 2025-03-29 | — | 0.32% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.0 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| pdfalto_project | pdfalto | <= 0.2 | cpe:2.3:a:pdfalto_project:pdfalto:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/grandnew/software-vulnerabilities/tree/master/pdfalto#heap-buffer-overflow-in-function-textpagedump | Exploit Third Party Advisory |
| https://github.com/kermitt2/pdfalto/issues/29 | Exploit Third Party Advisory |