CVE-2026-57237: CWE-416 Use after free in Foxit Software Inc. Foxit PDF Editor
When the application opens a PDF and JavaScript modifies the properties of form fields, it causes the state of the underlying objects referenced by the program to become invalid. Eventually, it reads an illegal memory address, which leads to the crash of the application.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition (CWE-416) in Foxit PDF Editor triggered when the application opens a PDF containing JavaScript that modifies form field properties. The modification invalidates the state of underlying objects, causing the program to read from an illegal memory address and crash. The CVSS 3.1 vector indicates local attack vector with low complexity, no privileges required, user interaction needed, and impacts confidentiality, integrity, and availability with high severity. No official remediation or patch information is currently available.
Potential Impact
Successful exploitation leads to application crashes due to illegal memory access, potentially allowing an attacker to disrupt availability and compromise confidentiality and integrity of the application process. There is no evidence of known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, avoid opening untrusted PDFs with JavaScript form field modifications in Foxit PDF Editor.
CVE-2026-57237: CWE-416 Use after free in Foxit Software Inc. Foxit PDF Editor
Description
When the application opens a PDF and JavaScript modifies the properties of form fields, it causes the state of the underlying objects referenced by the program to become invalid. Eventually, it reads an illegal memory address, which leads to the crash of the application.
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 triggered when the application opens a PDF containing JavaScript that modifies form field properties. The modification invalidates the state of underlying objects, causing the program to read from an illegal memory address and crash. The CVSS 3.1 vector indicates local attack vector with low complexity, no privileges required, user interaction needed, and impacts confidentiality, integrity, and availability with high severity. No official remediation or patch information is currently available.
Potential Impact
Successful exploitation leads to application crashes due to illegal memory access, potentially allowing an attacker to disrupt availability and compromise confidentiality and integrity of the application process. There is no evidence of known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, avoid opening untrusted PDFs with JavaScript form field modifications in Foxit PDF Editor.
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: 6a4e27eac9d9e3dbe3eaeafa
Added to database: 07/08/2026, 10:35:22 UTC
Last enriched: 07/15/2026, 12:17:36 UTC
Last updated: 08/22/2026, 10:52:10 UTC
Views: 53
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