CVE-2026-57240: CWE-416 Use after free in Foxit Software Inc. Foxit PDF Editor
When the application opens a PDF file and JavaScript deletes the PDF fields, the subsequent logic still uses the old field pointers, resulting in invalid pointer references and causing the application to crash.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition (CWE-416) in Foxit PDF Editor. When JavaScript within a PDF deletes fields, the application logic does not properly update or invalidate the pointers referencing those fields. As a result, subsequent operations use stale pointers, causing invalid memory access and application crashes. The CVSS 3.1 vector indicates the attack requires local access with low complexity, no privileges, and user interaction, impacting confidentiality, integrity, and availability.
Potential Impact
Successful exploitation can cause the Foxit PDF Editor application to crash due to invalid memory references. The CVSS score indicates a high impact on confidentiality, integrity, and availability, though no known exploits are reported in the wild. The vulnerability could potentially be leveraged to disrupt application availability or cause denial of service.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should exercise caution when opening PDF files containing JavaScript from untrusted sources and consider disabling JavaScript execution in the application if possible.
CVE-2026-57240: CWE-416 Use after free in Foxit Software Inc. Foxit PDF Editor
Description
When the application opens a PDF file and JavaScript deletes the PDF fields, the subsequent logic still uses the old field pointers, resulting in invalid pointer references and causing the application to crash.
CVSS v3.1
Score 7.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition (CWE-416) in Foxit PDF Editor. When JavaScript within a PDF deletes fields, the application logic does not properly update or invalidate the pointers referencing those fields. As a result, subsequent operations use stale pointers, causing invalid memory access and application crashes. The CVSS 3.1 vector indicates the attack requires local access with low complexity, no privileges, and user interaction, impacting confidentiality, integrity, and availability.
Potential Impact
Successful exploitation can cause the Foxit PDF Editor application to crash due to invalid memory references. The CVSS score indicates a high impact on confidentiality, integrity, and availability, though no known exploits are reported in the wild. The vulnerability could potentially be leveraged to disrupt application availability or cause denial of service.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should exercise caution when opening PDF files containing JavaScript from untrusted sources and consider disabling JavaScript execution in the application if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Foxit
- Date Reserved
- 2026-06-24T03:01:15.648Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a4e27eac9d9e3dbe3eaeb03
Added to database: 07/08/2026, 10:35:22 UTC
Last enriched: 07/15/2026, 12:21:45 UTC
Last updated: 08/22/2026, 10:52:10 UTC
Views: 57
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