CVE-2026-57243: CWE-125 Out-of-bounds read in Foxit Software Inc. Foxit PDF Editor
During the process of page opening and form formatting, a JavaScript reentrancy results in an inconsistent document status. Subsequently, with outdated page information, the application attempts to access invalid addresses, causing the application to crash.
AI Analysis
Technical Summary
This vulnerability arises from a JavaScript reentrancy issue during the page opening and form formatting process in Foxit PDF Editor. The reentrancy leads to an inconsistent document state, and the application subsequently uses outdated page information to access invalid memory addresses, causing an out-of-bounds read and application crash. The CVSS 3.1 base score is 6.1, reflecting local attack vector with low complexity, no privileges required, user interaction needed, unchanged scope, low confidentiality impact, no integrity impact, and high availability impact.
Potential Impact
Successful exploitation causes the application to crash due to out-of-bounds memory access. There is no indication of confidentiality or integrity compromise, but availability is impacted as the application becomes unusable during the crash.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround has been provided by Foxit Software Inc. at this time.
CVE-2026-57243: CWE-125 Out-of-bounds read in Foxit Software Inc. Foxit PDF Editor
Description
During the process of page opening and form formatting, a JavaScript reentrancy results in an inconsistent document status. Subsequently, with outdated page information, the application attempts to access invalid addresses, causing the application to crash.
CVSS v3.1
Score 6.1medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from a JavaScript reentrancy issue during the page opening and form formatting process in Foxit PDF Editor. The reentrancy leads to an inconsistent document state, and the application subsequently uses outdated page information to access invalid memory addresses, causing an out-of-bounds read and application crash. The CVSS 3.1 base score is 6.1, reflecting local attack vector with low complexity, no privileges required, user interaction needed, unchanged scope, low confidentiality impact, no integrity impact, and high availability impact.
Potential Impact
Successful exploitation causes the application to crash due to out-of-bounds memory access. There is no indication of confidentiality or integrity compromise, but availability is impacted as the application becomes unusable during the crash.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround has been provided by Foxit Software Inc. at this time.
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: 6a4e27ebc9d9e3dbe3eaeb9b
Added to database: 07/08/2026, 10:35:23 UTC
Last enriched: 07/15/2026, 12:18:00 UTC
Last updated: 08/22/2026, 10:52:10 UTC
Views: 60
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