CVE-2026-57251: CWE-129 Improper validation of array index in Foxit Software Inc. Foxit PDF Editor
The application opens a PDF, but the cloud-like appearance of the construction process lacks proper setting of an upper limit and consistency checks. Out-of-bounds access to the underlying array is exposed, ultimately leading to a crash of the application.
AI Analysis
Technical Summary
Foxit PDF Editor contains an improper validation of array index vulnerability (CWE-129) identified as CVE-2026-57251. The issue arises during the PDF opening process where the application fails to properly set an upper bound and perform consistency checks on an array index. This flaw can cause out-of-bounds access to the array, resulting in an application crash. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. The vulnerability requires local access (AV:L), low attack complexity (AC:L), no privileges (PR:N), and user interaction (UI:R). No known exploits are reported in the wild, and no patch or official fix has been disclosed by Foxit Software Inc. as of the publication date.
Potential Impact
Successful exploitation of this vulnerability can cause a denial of service by crashing the Foxit PDF Editor application. The impact affects confidentiality, integrity, and availability at a high level due to the crash. There is no indication of code execution or data corruption beyond the crash from the provided data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution when opening untrusted PDF files and consider limiting local access to trusted users only. No official remediation or workaround has been provided by Foxit Software Inc. at this time.
CVE-2026-57251: CWE-129 Improper validation of array index in Foxit Software Inc. Foxit PDF Editor
Description
The application opens a PDF, but the cloud-like appearance of the construction process lacks proper setting of an upper limit and consistency checks. Out-of-bounds access to the underlying array is exposed, ultimately leading to a crash of the application.
CVSS v3.1
Score 7.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Foxit PDF Editor contains an improper validation of array index vulnerability (CWE-129) identified as CVE-2026-57251. The issue arises during the PDF opening process where the application fails to properly set an upper bound and perform consistency checks on an array index. This flaw can cause out-of-bounds access to the array, resulting in an application crash. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. The vulnerability requires local access (AV:L), low attack complexity (AC:L), no privileges (PR:N), and user interaction (UI:R). No known exploits are reported in the wild, and no patch or official fix has been disclosed by Foxit Software Inc. as of the publication date.
Potential Impact
Successful exploitation of this vulnerability can cause a denial of service by crashing the Foxit PDF Editor application. The impact affects confidentiality, integrity, and availability at a high level due to the crash. There is no indication of code execution or data corruption beyond the crash from the provided data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution when opening untrusted PDF files and consider limiting local access to trusted users only. No official remediation or workaround has been provided by Foxit Software Inc. at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Foxit
- Date Reserved
- 2026-06-24T03:01:18.717Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a4e27edc9d9e3dbe3eaebd7
Added to database: 07/08/2026, 10:35:25 UTC
Last enriched: 07/08/2026, 10:37:29 UTC
Last updated: 07/09/2026, 00:57:31 UTC
Views: 8
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