Use After Free in Pdf-xchange Pdf-tools
CVE-2025-6644
PDF-XChange Editor U3D File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. User interaction is required to e…
Vulnerability class: Use-After-Free
EPSS: 0.002 (15.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Pdf-xchange Pdf-tools — versions 10.5.2.395
- Pdf-xchange Editor — versions 10.5.2.395
- Pdf-xchange Pdf-xchange_editor — versions 10.5.2.395
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
- zdi-disclosures@trendmicro.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-6644?
- CVE-2025-6644 is a high-severity vulnerability in Pdf-xchange Pdf-tools, classified under Use After Free. CVSS score: 7.8/10. Published 2025-06-25.
- How severe is CVE-2025-6644?
- High severity. CVSS v3 base score is 7.8 out of 10.